Q8 of 386 Page 153

What is medullary sheath? Mention its significance

Myelin (medullary) sheath is a fatty covering that surrounds axon of nerve fibres. It insulates the nerve fibre (axon) and prevents leakage of ions.

Name the protein is found in white fibre and yellow fibre.

State the function of microvilli.

Which tissue is called middleman between tissues cells and blood?

(a) Identify the animal tissue represented alongside

(b) Label the parts of 1 to 4