Answer:
The many roles of blood include delivering nutrients and oxygen to cells, Homeostatic is the ability of a system or living organism to adjust its internal environment to maintain a stable equilibrium. It relaxes the blood vessels and capillaries which may help with gas exchange.
Step-by-step explanation:
The question asked to fill in the gap with the right words .
Generally, the short essay talks about the function of the blood in the body.
Homeostasis is the tendency of the body to maintain a stable condition within the limit it can survive. Homeostasis is a self regulating property of the cell, tissues and organisms that allows the maintenance and regulation of the body to function properly. Usually the organism adjust it internal environment to maintain a stable equilibrium.
Blood is usually pumped from the right side of the heart to the blood vessel of the lungs .When blood enters the pulmonary capillaries , new oxygen enters the blood and carbon-dioxide is removed. This process is what is called gas exchange.