HUMAN BLOOD (मानव रक्त) For SSC Exams | Human Blood Cells | 10 Minute Show by BY NAMU MA'AM

SSC Wallah

8 Aug 202314:25

Summary

TLDRThe video script is an educational session welcoming viewers to explore various questions related to human blood. It covers the percentage of blood in body weight, the composition of blood including plasma and its components, the process of blood cell formation in bone marrow, and the life span of different blood cells. The script also delves into blood groups, the role of vitamins in blood health, and the importance of platelets. It aims to clarify common queries about blood, using simple language to make complex topics accessible.

Takeaways

😀 Human blood makes up about 7% of total body weight.
🧪 The study of blood is called Hematology and its production primarily occurs in the bone marrow.
🌡 Healthy blood pressure is typically around 120 over 80 millimeters of mercury (mmHg).
🩸 The average adult has about 5 to 6 liters of blood, with women generally having slightly less.
🔍 Blood is composed of two main parts: plasma, which makes up about 55-60%, and blood cells.
🔬 The scientific name for red blood cells is erythrocytes, and they are responsible for transporting oxygen.
📉 The lifespan of a red blood cell is approximately 120 days.
🧬 Vitamins, particularly vitamin B12 and folic acid, are essential for the production of red blood cells.
🛡 White blood cells, or leukocytes, are the body's defense against infections, with neutrophils being the most abundant type.
🩹 Platelets, or thrombocytes, play a crucial role in blood clotting and have a lifespan of about 8 to 10 days.
🔑 The spleen acts as a 'blood bank' for red blood cells, filtering and storing them as needed.

Q & A

What percentage of an adult's body weight is made up of blood?
-Approximately 7% of an adult's total body weight is made up of blood.
What is the scientific term for the potential of hydrogen in human blood?
-The potential of hydrogen in human blood is referred to as pH, which ranges from 7.3 to 7.4.
How much blood does the average human body contain in liters?
-The average human body contains about 5 to 6 liters of blood, although it can vary slightly.
What is the scientific term for the study of blood?
-The study of blood is called Hematology.
Where does the process of blood cell formation occur in the human body?
-Blood cell formation, or hematopoiesis, occurs in the bone marrow.
What are the two main components of blood?
-The two main components of blood are plasma, which makes up about 55 to 60%, and the formed elements, including red blood cells, white blood cells, and platelets.
What is the average lifespan of a red blood cell in the human body?
-The average lifespan of a red blood cell is about 120 days.
What is the scientific name for platelets in the human body?
-The scientific name for platelets is Thrombocytes.
What is the primary function of hemoglobin in red blood cells?
-The primary function of hemoglobin in red blood cells is to transport oxygen.
What is the term for the spleen in the context of blood storage in the human body?
-The spleen is sometimes referred to as the 'blood bank' of red blood cells.
What is the term used to describe a deficiency of white blood cells in the human body?
-A deficiency of white blood cells is medically referred to as Leukopenia.