Answer:
15 B
16 C
17 B
18 A
Explanation:
In my opinion these are 100 percent sure answer
Answer:
D. They release waste into the bloodstream.
Explanation:
Kidneys are the primary organs of the excretory system. Their primary function is to remove the metabolic waste from the blood and release it out of the body in the form of urine. The nitrogenous waste, drugs, uric acid, and other metabolic waste products are removed from blood in kidneys.
Hence, kidneys do not release the waste into the bloodstream, rather release them out of the body and filter the blood.
the answer could not be D because a Golgi Apparatus is a tiny structure, or organelle, in a cell that "packages" nutrients for use inside the cell. The answer could not be c. because a nucleus is a tiny structure, or organelle, in a cell that "packages" nutrients for use inside the cell. The answer could not be Endoplasmic Reticulum because that is where proteins are transported from one part to the other. So the only answer left is Mitochondria, because the Mitochondriamain function is to produce ATP, the energy currency of the cell.
It’s water I don’t know but it’s only that
Answer:the calciferous and siliceous spicules
Explanation: