Question

What is the difference between the endocrine system and the immune system and the difference between th e respiratory system and the circulatory system

Answer 1

Endocrine system consists of set of hormones which help in regulation the body metabolism and normal functioning of the body where as immune system acts as defence system of our body which resist the infections and help in fighting with disease causing organisms.

Respiratory system helps in exchange of gases through our body and surroundings where as circulatory system pumps oxygenated blood through out the body