The blood get it's greatest pressure from the heart. The heart pumps the blood out.
Answer:
Most of the stars in our galaxy are made of hydrogen gas.
The species will begin to die off to fall below the carrying capasity
The second phage of cellular respiration is transition stage.
Process take place in transition stage:
The transition stage take place in mitochondria. The pyruvate is combined with NAD+ to form NADH and acetyl co-enzyme molecules.
After transition stage, Krebs cycle starts.