Answer:
A protein deficiency causes such diverse symptoms because immune, nervous, and muscle system cells require proteins for structure and regulation.
Proteins are the building blocks of bones, muscles, cartilage, skin, and blood. They also help in transporting oxygen, helps in blood clotting during injuries etc.
Explanation:
the answer is d hope this helps
Answer:
D. Bear
Explanation:
The answer is bear because a bear is an animal. Everything but animals can carry out cellular respiration.
An example would be plants, because they produce their own FOOD. And don't need someone feeding it. This is called photosynthesis
