How Your Bones and Skeleton Works

Nemours KidsHealth

24 Sept 201405:10

Summary

TLDRIn 'How The Body Works with Chloe and the Nurb,' Chloe and her gelatinous friend Nurb embark on a bone-building adventure. Nurb, who lacks bones, educates Chloe on the skeletal system's functions: movement, protection, and blood cell production. They visit the Boneyard to construct a temporary skeleton, learning about axial and appendicular bones, joints, and the healing process of fractures. The journey is both educational and entertaining, highlighting the importance of bones in our daily activities.

Takeaways

🦴 The human body has three main functions for bones: movement, protection of vital organs, and production of blood cells in bone marrow.
🧽 Nurbs, a gelatinous creature, humorously has their bones cleaned once a year, highlighting the importance of bone health.
🥛 Consuming calcium-rich foods like milk contributes to strong and happy bones.
🏞️ The Boneyard serves as a learning environment where Chloe and Nurb explore the skeletal system.
🔗 Bones are categorized into axial, which keep the body upright, and appendicular, which facilitate movement.
🤝 Joints are what allow the bones to move, with examples like the knee joint mentioned in the script.
👂 The smallest bones in the body are the ossicles, found in the middle ear, emphasizing the intricacy of the skeletal system.
🧩 Building a skeleton is a complex process that involves understanding the different types of bones and their connections.
🤕 Bones can fracture, but they are living tissues that can heal themselves, sometimes requiring a cast to ensure correct regrowth.
🎤 The script uses a catchy song to make learning about the connections between different bones engaging and memorable.

Q & A

What is the main purpose of the song in the beginning of the script?
-The song in the beginning serves as an educational and catchy way to introduce the concept of the skeletal system and how different bones are connected.
Why does Nurb send out its bones for cleaning?
-Nurb, being a gelatinous blob, sends out its bones for cleaning once a year as part of their species' maintenance routine, ensuring the bones are clean and well-maintained.
What are the three main jobs of bones mentioned in the script?
-The three main jobs of bones are to allow the body to move, protect delicate vital organs, and produce blood cells in the bone marrow.
Why are bones happy when they consume calcium-rich foods?
-Bones are happy when they receive calcium-rich foods because calcium is a key component of bones, and consuming it helps maintain bone strength and health.
What is the Boneyard and why do Chloe and Nurb go there?
-The Boneyard is a place where Chloe and Nurb go to learn about bones and to help Nurb build a temporary skeleton.
How many bones are required to make a skeleton according to the script?
-It takes 206 bones to make a complete skeleton, as mentioned in the script.
What is the difference between axial and appendicular bones?
-Axial bones are those that keep the body upright, such as the ribs and spine, while appendicular bones are those that help with movement, like the bones in the arms and legs.
What is a joint and what is its function in the skeletal system?
-A joint is a point where two bones meet and connect to allow movement. Joints facilitate the mobility of the skeletal system.
What are ossicles and where are they located in the human body?
-Ossicles are the smallest bones in the body, and there are three of them located in the middle ear.
What is a fracture and how do bones heal from it?
-A fracture is a break in a bone that can occur in various ways. Bones are living tissues and can heal themselves by growing new bone cells on the broken ends, sometimes with the help of a cast to keep the bone pieces in place.
How does Chloe feel about her newly built skeleton at the end of the script?
-Chloe is excited and pleased with her newly built skeleton, as she comments on how tall and great she looks, despite the potential difficulty in walking.

Outlines

00:00

🦴 Introduction to the Skeletal System

The script begins with a playful song about the connection of bones, introducing Chloe and the Nurb. Chloe finds Nurb, a gelatinous blob, without bones, which are being cleaned. Nurb explains that Nurbs send their bones for an annual cleaning, and today was supposed to be his bone-cleaning day, but there was a delay. Chloe expresses her lack of knowledge about bones, but Nurb, intrigued by her interests in talking, eating, swimming, and dancing, insists that understanding the skeletal system is essential. They decide to visit the Boneyard to learn more about bones.

Mindmap

Keywords

💡Tibia

The tibia is one of the two bones in the lower leg, commonly known as the shinbone. It is a crucial part of the skeletal system, as it supports the weight of the body and allows for movement. In the script, the tibia is mentioned as being connected to the femur, illustrating the interconnectedness of bones in the body.

💡Femur

The femur is the longest, largest, and strongest bone in the human body, located in the thigh. It plays a vital role in supporting the body's weight and facilitating movement. In the script, the femur is connected to the ilium, highlighting the importance of the skeletal structure in maintaining the body's form and function.

💡Ilium

The ilium is the uppermost and largest bone of the pelvis, forming the upper part of the hip bone. It is essential for supporting the spine and providing attachment points for muscles. In the script, the ilium is connected to the spinal column, emphasizing the role of the pelvis in the overall skeletal structure.

💡Skeletal System

The skeletal system is the framework of bones in the body that provides support, protection, and mobility. It is composed of bones, cartilage, tendons, and ligaments. The script introduces the concept of the skeletal system to explain the importance of bones in movement, protection, and blood cell production.

💡Calcium

Calcium is a vital mineral that is primarily found in bones and teeth, providing them with strength and structure. The script mentions calcium-rich foods like milk, emphasizing the importance of a diet rich in calcium for maintaining healthy bones.

💡Bone Marrow

Bone marrow is the soft tissue found within bones, responsible for producing blood cells. It is a critical component of the skeletal system, as it plays a role in the body's immune system and overall health. The script refers to bone marrow as a site for blood cell production, highlighting its importance in the body's functions.

💡Axial Bones

Axial bones are those that form the central axis of the body, including the skull, vertebrae, and ribs. They provide structural support and protect vital organs. In the script, axial bones are mentioned as keeping the body upright, demonstrating their role in maintaining posture and stability.

💡Appendicular Bones

Appendicular bones are those that form the limbs and girdles of the body, including the bones of the arms, legs, shoulders, and pelvis. They facilitate movement and are connected to the axial skeleton. The script discusses appendicular bones in the context of movement, showing their importance in the body's mobility.

💡Joints

Joints are the points where two or more bones meet, allowing for movement and flexibility. They can be classified into different types based on their structure and range of motion. In the script, joints are described as connecting bones to help them move, with the knee joint being a specific example.

💡Ossicles

Ossicles are the three smallest bones in the human body, located in the middle ear. They are essential for the transmission of sound vibrations to the inner ear. The script introduces the ossicles as an example of the smallest bones, emphasizing the diversity and specialized functions of bones in the body.

💡Fracture

A fracture is a break or crack in a bone, which can occur due to various reasons such as injury or disease. The script mentions a bone with a crack, referring to it as a fracture, and explains that bones are living tissues that can heal themselves, often with the help of a cast to ensure proper alignment during the healing process.

Highlights

The tibia is connected to the femur, and the femur to the ilium, illustrating the skeletal structure.

Nurb, a gelatinous blob, is lying on a rock, highlighting the contrast between traditional bones and Nurbs.

Nurbs send their bones out for cleaning once a year, showcasing their unique skeletal care.

Chloe learns that bones have three main functions: movement, protection, and blood cell production.

Bones are made of calcium, and consuming calcium-rich foods is essential for bone health.

The Boneyard is introduced as a place to learn about bones, adding a mysterious educational twist.

Chloe and Nurb embark on a journey to build a temporary skeleton, making learning interactive.

There are 206 bones in a human skeleton, providing a fun fact about human anatomy.

Axial bones keep you upright, while appendicular bones help you move, differentiating bone types.

Joints are explained as connectors that allow bones to move, enhancing understanding of skeletal mechanics.

The ossicles are identified as the smallest bones in the body, located in the middle ear.

Bones can fracture in various ways, from hairline fractures to more serious breaks.

Bones are living tissue and can heal themselves, providing insight into the body's regenerative capabilities.

Chloe successfully builds a skeleton, demonstrating the educational value of hands-on learning.

The ilium is connected to the spinal column, and the spinal column to the rib bones, emphasizing the interconnectedness of the skeletal system.

Chloe tries on the completed skeleton, showcasing the outcome of the educational activity.

The skeleton makes Chloe taller, adding a humorous element to the educational content.

Chloe and Nurb sing about the connections in the body, ending the lesson on a musical note.