Which are the special proteins in muscles that contract and relax to cause movement?
Which among the following carries impure blood to human heart?
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Insulin is a kind of _____
Which blood group is universal acceptor?
Photosynthesis takes place in the presence of chlorophyll and _________.
What is the name of the hormone produced by thymus gland?
Which Vitamin is obtained from Sun rays?
Nephron is related to which of the following system of human body?
Which of the following is not a plant hormone?