MICROANATOMY

Detailed explanation-1: -The endocrine system controls growth and development during childhood, regulation of bodily functions in adulthood, and the reproductive process. The endocrine system is important for the control and regulation of all the major functions and processes of the body: Energy control.

Detailed explanation-2: -The endocrine system regulates the metabolic activities of the body like body growth, sexual development & other biological processes. The endocrine gland signalling is slow but its effects are prolonged. Some of the major endocrine glands are the Pituitary, Pineal, Thyroid, Thymus, Gonads, etc.

Detailed explanation-3: -The correct answer is b) They have ducts. The endocrine glands are the components of the endocrine system.

Detailed explanation-4: -The true statement about hormones is: b. Hormones interact with receptor sites at target cells. Hormones are made and secreted by endocrine glands into the bloodstream where they will travel to their target cells.