Answer:
Feces are mostly made of water (about 75%). The rest is made of dead bacteria that helped us digest our food, living bacteria, protein, undigested food residue (known as fiber), waste material from food, cellular linings, fats, salts, and substances released from the intestines (such as mucus) and the liver.
Explanation:
Answer:
B. a substance that sends the immune system into action
Explanation:
Respirators should always be removed outside of the patient room
Answer: what are the tissues?
Explanation:
