Eggs are, but I'm not sure about the rest.
Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.
Answer:
Tobacco weakens the immune system.
Explanation:
Answer:
the answer is A
Explanation:
ive done this question before and i got A. Carbohydrate Production!
can i get a brainliest please! ;)
Huh can you be more specific