Question

9.
Assertion (A): Muscle cells are also called as myofibrils
Reason (R):Muscle cells are very thin and elongated
a) Both the assertion and the reason are true and the reason is a correct
explanation of the assertion.
b) Both the assertion and reason are true but the reason is not a correct
explanation of the assertion.
c) The assertion is true but the reason is false
d) Both the assertion and reason are false
e) The assertion is false but reason is true.​

Answer 1

Answer:

The correct option is (e).

Explanation:

Muscle cells are known as Myocytes.

Answer 2

Solution :

Regulation of RBCs production is accomplished by hormone erythropoietin which is secreted by kidney. This hormone increases stem cell mitosis and speed up RBC's devlopment in red bone marrow.