What are the 4 primary functions of the respiratory system?
1) extchange of gas between atmosphere and blood
2) homeostatic regulation of body ph
3) protection from inhaled pathogens and irritating substances
4) vocalization

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

it's false. hope i .

i would answer but it has no question attached to be answer sorry kido