Active muscles demand huge amounts of oxygen, and the circulatory system works hard to provide it. Blood carries oxygen to the muscles. When the body is at rest, blood carries nutrients to the muscles so that they can repair and rebuild themselves. Blood also carries away the waste products that hard-working muscles produce, back out through the lungs to be filtered.
so they Circulatory system xx muscular system :)
They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
Answer:
No, it is not
Explanation:
Heterozygous is Gg, and if the dominant gene is there, it masks the recessive one.
Answer:
D.
The zone has very few mammalian species that compete for the fish.
Explanation:
The zone has very few mammalian species that compete for the fish is the significance that the temperate zone have on commercial fishing.
A .Structurally support the cell
B.Store nutrients for the cell to consume
C. Produce ATP to provide energy for the cell
D. Selectively allow some materials into the cell
It would be A
The Cell membrane is like a wall it allows things to pass though regulated.
Hope that helps
