Answer:
the birth rate on Earth is higher than the death rate
Hemoglobin is the protein inside red blood cells that carries oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale. Red blood cells are made inside your bones, in the bone marrow. They typically live for about 120 days, and then they die.
Answer: compost
Explanation:
i looked it up and i'm pretty sure it's compost
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
Bile from the gallbladder is escaping through cardiac sphincter into esophagus
