Answer:
D. organ systems
Explanation:
Organs and tissues that perform the same function are called organ systems
Answer:
rebuilding of body tissues
Explanation:
protein can diverse when it converted to amino acid,
I think it’s B , not entirely very sure
Answer:
C. H and O
Explanation:
Almost 99% of the human body's mass is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus, in that order.
Element Symbol % in body
Oxygen O 65.0
Coal C 18.5
The human body is composed of 60% water, that is, H2O.
I believe the answer is legumes