What if we didn't have bones? - what would happen

Summary

This informative video script delves into the vital role of the human skeleton, emphasizing its importance for movement and protection of organs. It reveals that we start with over 300 bones, which fuse to 206 in adults, and highlights the functions of bone marrow in blood cell production. The script also dispels myths about bones, explaining their living nature composed of collagen and calcium phosphate. Fascinating facts about the largest, smallest, and various types of bones, as well as the significance of joints, are shared to underscore the skeleton's indispensable role in our anatomy.

Takeaways

• 🦴 Skeletons provide a rigid framework that supports and protects our organs, allowing us to maintain an upright posture and move.
• 💪 Bones are living tissues made of collagen for flexibility and calcium phosphate for strength, making them strong and flexible enough to withstand stress.
• 👶 Humans are born with over 300 bones, but as they grow, some bones fuse together, resulting in an adult skeleton of 206 bones.
• 🧬 Bone marrow, found in the hollow centers of many bones, is responsible for producing new red and white blood cells, essential for oxygen distribution and fighting infections.
• 🏆 The largest bone in the human body is the hip bone, which is actually a fusion of six bones.
• 📏 The longest bone is the femur in the thigh, which can account for nearly a quarter of the body's total height.
• 👂 The smallest bone is the stapes, or stirrup bone, in the ear, which is about the size of a grain of rice.
• 👃 The ears and nose do not contain bones but are supported by cartilage, which is lighter and more flexible than bone.
• 🤲 The human hand has 27 bones, and the face has 14, highlighting the complexity of the skeletal system in these areas.
• 🦒 Humans and giraffes have the same number of neck bones, but giraffe vertebrae are significantly longer.
• 🔄 The human body has over 200 movable and semi-movable joints, which facilitate a wide range of movements.

Q & A

What would happen if humans didn't have bones?

Without bones, humans would be floppy like a bean bag, unable to stand or walk, resulting in a puddle of skin and guts on the floor.

What is the purpose of a skeleton in humans and animals?

A skeleton serves as a rigid framework that keeps body parts in place and protects organs, allowing for movement through joints connecting the bones.

Are bones considered to be alive?

Yes, bones are alive, made mostly of collagen for a soft framework and calcium phosphate for strength and hardness.

How do bones stay alive and function?

Bone cells rely on blood for nutrients, oxygen, and waste removal, similar to other cells in the body.

How many bones do humans have at birth and in adulthood?

Humans have over 300 bones at birth, but some fuse together as they grow, resulting in 206 bones in adulthood.

What is bone marrow and why is it important?

Bone marrow is found in the hollow centers of many bones and is responsible for producing new red and white blood cells, essential for oxygen distribution and fighting germs and diseases.

What is the largest bone in the human body?

The largest bone is the hip bone, which is actually made up of six bones joined firmly together.

What is the longest bone in the human body?

The longest bone is the femur in the thigh, which accounts for almost one quarter of the body's total height.

Why don't the ears and nose have bones inside them?

The ears and nose are supported by cartilage, which is lighter and more flexible than bone, allowing them to be bent. Cartilage also rots faster than bone, which is why skulls of skeletons lack nose and ears.

How many bones are in the human hand and face?

The human hand has 27 bones, and the face has 14 bones.

Do humans and giraffes have the same number of neck bones?

Yes, humans and giraffes have the same number of neck bones, but giraffe neck vertebrae are significantly longer.

How many movable and semi-movable joints are there in the human body?

There are over 200 movable and semi-movable joints in the human body.

Why is the skeleton important for the human body?

The skeleton is crucial for protecting organs and aiding in movement, providing the support structure that keeps us upright and walking.

Outlines

00:00

💀 The Importance of Skeletons

This paragraph introduces the vital role of skeletons in the human body. It explains that without bones, humans would be unable to stand or walk and would resemble a floppy beanbag. The script dispels the common misconception that skeletons are scary, emphasizing their supportive and protective functions for our organs. It also highlights that bones are living tissues made of collagen and calcium phosphate, which provide strength and flexibility. The paragraph further explains that bones contain bone marrow, which is responsible for producing blood cells, thus playing a crucial role in our body's ability to function.

Keywords

💡Skeleton

A skeleton is the internal or external framework of an organism, typically composed of bone, cartilage, or other hard materials. In the context of the video, the skeleton is the rigid structure that supports the human body, allowing us to stand, move, and protect our internal organs. The script emphasizes the importance of the skeleton by illustrating the consequences of not having one, such as being 'a puddle of skin and guts on the floor.'

💡Joints

Joints are the points where two bones meet, allowing for movement. They are crucial for the flexibility and mobility of the skeletal system. The video script mentions joints in the context of how bones are connected, enabling movement without compromising the rigidity of the skeleton, such as 'because of joints, connecting the bones together.'

💡Collagen

Collagen is a protein that forms a significant part of connective tissues in the body, including the skin, cartilage, and bone. The script describes collagen as providing a 'soft framework' to bones, which, combined with calcium phosphate, makes the bones strong and flexible. This illustrates the dual role of collagen in both structure and flexibility of the skeleton.

💡Calcium Phosphate

Calcium phosphate is a mineral compound that contributes to the hardness and strength of bones. In the video script, it is mentioned as an addition to the collagen framework that 'adds strength and hardens' the bones, highlighting its importance in maintaining the structural integrity of the skeletal system.

💡Bone Marrow

Bone marrow is the soft, spongy tissue found in the hollow interiors of bones. It is responsible for the production of blood cells, including red and white blood cells. The script points out that many bones are hollow with 'holes' that make the bones strong and light, and that bone marrow is where new blood cells are made, emphasizing its vital role in the body's blood production and immune system.

💡Femur

The femur, also known as the thigh bone, is the longest and strongest bone in the human body. The video script states that the femur 'makes up almost one quarter of the body's total height,' illustrating its significance in the overall structure and height of an individual.

💡Vertebrae

Vertebrae are the individual bones that make up the spine, providing support and protection for the spinal cord. The script mentions that humans and giraffes have the same number of bones in their necks, referring to the vertebrae, which are just much longer in giraffes. This highlights the comparative anatomy aspect of the skeletal system.

💡Cartilage

Cartilage is a flexible connective tissue found in various parts of the body, including the ears and nose. Unlike bone, cartilage is lighter and more flexible. The script explains that the ears and nose do not have bones inside them but are supported by cartilage, which is why they can be bent and why they decay faster after death, leaving the skull without nose or ears in a skeleton.

💡Anatomy

Anatomy is the study of the structure and parts of living organisms, including the human body. The video script uses the term to emphasize the importance of the skeletal system as an integral part of human anatomy, stating that 'bones and the skeleton form an important part of everybody's Anatomy,' and explaining how the skeleton supports and enables movement.

💡Organs

Organs are groups of tissues with specific functions that work together in the body. The script mentions that without a skeleton, 'under our skin, protecting our organs,' we would be a lump of jelly on the ground. This highlights the protective role of the skeleton in maintaining the integrity and function of our vital organs.

💡Movement

Movement refers to the ability to change position or posture, which is facilitated by the skeletal and muscular systems. The video script discusses the importance of the skeleton in enabling movement, stating that without bones, one 'could not stand up' or 'walk,' and emphasizing the joint's role in allowing movement.

Highlights

Humans would be floppy without bones, unable to stand or walk.

Skeletons are portrayed as creepy but are essential and helpful to humans and animals.

A skeleton is a rigid framework necessary for body part positioning.

Bones are alive, made mostly of collagen for flexibility and calcium phosphate for strength.

Bone cells rely on blood for nourishment, waste removal, and oxygen supply.

Humans are born with over 300 bones, which fuse to become 206 in adulthood.

Bone marrow in the center of many bones produces new blood cells.

The largest bone is the hip bone, made of six fused bones.

The femur is the longest bone, accounting for a quarter of body height.

The smallest bone is the stapes in the ear, about the size of a grain of rice.

Ears and noses are supported by cartilage, lighter and more flexible than bone.

Cartilage rots faster than bone, which is why skulls lack ears and noses.

The human hand contains 27 bones, and the face has 14.

Humans and giraffes have the same number of neck bones, but giraffe vertebrae are longer.

The human body has over 200 movable and semi-movable joints.

The skeleton is crucial for protecting organs and aiding movement.

The video invites viewers to share their thoughts on bones and the implications of not having them.

Transcripts

we share something you experience every

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Community by suggested by

you what would happen if humans didn't

have bones you'd be floppy like a bean

bag could you stand up forget it could

you walk no way without bones you would

be just a puddle of skin and guts on the

floor skeletons are very intriguing they

have been portrayed as creepy and scary

but they are not really scary in fact

they are very helpful to humans and

animals a skeleton is a rigid framework

without which none of our other body

parts would stay in place if we didn't

have a skeleton under our skin

protecting our organs we would just be a

lump of jelly on the ground everybody

has a skeleton even animals have

skeletons the skeleton is rigid but can

still allow movement because of joints

connecting the bones together are your

bones alive absolutely made mostly of

collagen bone is living growing tissue

collagen is a protein that provides a

soft framework and calcium phosphate is

a mineral that adds strength and hardens

the framework this combination of

collagen and calcium makes bone strong

and flexible enough to withstand stress

like other cells in your body the bone

cells rely on blood to keep them alive

blood brings them food and oxygen and

takes away waste how many bones do

humans have when you were born you had

over 300 bones as you grew some of these

bones began to fuse together the result

an adult has only 206 bones what's bone

marrow many bones are Hollow their

holess makes bone strong and light it's

in the center of many bones that bone

marrow makes new red and white blood

cells red blood cells ensure that oxygen

is distributed to all parts of your body

and white blood cells ensure you are

able to fight germs and disease who

would have thought that bones make blood

the skeletal system interesting facts

the largest bone is the B or hip bone in

fact it is made of six bones joined

firmly together the longest bone is the

femur in the thigh tea makes up almost

one qu of the body's total height the

smallest bone is the sturup deep in the

ear it is hardly larger than a grain of

rice the ears and nose do not have bones

inside them their inner supports are

cartilage or gristle which is lighter

and more flexible than bone this is why

the nose and ears can be bent after

death cartilage rots faster than bone

this is why the skulls of skeletons have

no nose or ears the human hand has 27

bones your face has 14 the longest bone

in your body your thigh bone the femur

it's about 1/4 of your height the

smallest is the Stirrup bone in the ear

which can measure 1/10th of an inch did

you know that humans and giraffes have

the same number of bones in their necks

giraffe neck vertebrae are just much

much longer you have over 200 130

movable and semi- movable joints in your

body why do we need a skeleton we need a

skeleton to protect our organs and help

us move by simply using your own body

you can understand that bones and the

skeleton form an important part of

everybody's Anatomy they are the support

structure that keeps us upright and

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you what you think about your bones and

what do you think if you don't have

bones share your thoughts on this

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