Given in the diagram of a human blood smear. Study the diagram and answer the question that follows.
What is the average lifespan of the component numbered 1?

Given below is a diagram of a human blood smear. Study the diagram and answer the questions that follow

(i) Name the components numbered ‘1’ to ‘4’.
(ii) Mention two structural differences between the parts ‘1’ and ‘2’.
(iii) Name the soluble protein found in part ‘4’ which forms insoluble threads during the clotting of blood.
(iv) What is the average lifespan of the component numbered ‘1’?
(v) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain.

The diagram given below represents different blood cells in a smear of human blood. Answer the questions that follow-

The diagram given below is that of a developing human fetus. Study the diagram and then answer the question that follows-

Given below is a diagram of a smear of human blood. Study the same and answer the question that follows:

(a) Name the parts 1, 2, 3 and 4 indicated by guidelines.
(b) Mention two structural differences between the parts labelled '1' and 2
(c) What is the main function of the parts labelled 1. 2 and 3 respectively?
(d) What is the lifespan of the part labelled '1'?
(e) Name a soluble protein found in 4 which helps in the clotting of blood.

The diagram given below is that of the human female reproductive system. Study the diagram and then answer the questions that follow: