Answer:
cells
Explanation:
These include structures such as the plasma membrane, cytoplasm, nucleus, mitochondria, and ribosomes
Answer: C
Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
Kidney. The kidney plays the role of keeping blood pressure in check by altering the blood volume.
