Microvilli are found in the lungs and are the site of gas exchange microscopic folds where nutrients are absorbed cells in the immune system that attack foreign invaders found in the gallbladder and secrete bile

Im not sure but

Explanation:

Microvilli are .

found in the gallbladder and secrete bile

cells in the immune system that attack foreign invaders

microscopic folds where nutrients are absorbed

found in the lungs and are the site of gas exchange

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.