Layers of Blood Vessels

Q. Name any four substances transported by blood.

Q.

Fill in the blanks.

(v) There are ______ types of blood group, as per the Rh system.

Q.

State whether the following statements are true or false.

(vii) The process of RBC formation is called diapedesis.

1. True
2. False

Q. In the given diagram of blood circulatory system, the labelled parts a, b, c and d are

Q.

B lymphocytes mature in the _________ .

1. Thymus gland

2. Bone marrow

3. Blood vessels

4. Adrenal gland

Q. (b) State the functions of blood in our body.​ ​ ​

Q. Which of the following blood vessels carries oxygenated blood from lungs to the heart?

Q. Why do some people need to use a dialysis machine? What does the machine do?​

Q. Given below are four statements (i-iv) regarding human blood circulatory system. Choose the option representing the correct statements.
(i) Arteries are thick-walled and have narrow lumen as compared to veins
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(iv) Calcium ions play a very important role in blood clotting

1. (i) and (iv)
2. (i) and (ii)
3. (ii) and (iii)
4. (iii) and (iv)

Q. My question is related to transportation topic under chapter 1 life processes and the question is if human need blood for transportation of oxygen for oxidation in cells where do this blood comes from is it in fixed amount since birth or generated and if generated then how

Q. How are arteries and veins structurally different from one another?

[Review question: Pg. No: 215]