the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again
Answer: Structure refers to how the body is put together-bones, muscles, tendons, and ligaments. Then onto the organ structure, down to the cellular level. Function refers to body work.
Explanation: I know this is right cause I had a test on this question before.
It is very interesting how photosynthesis and cellular respiration<span> help each other.</span>
Answer:
b is answer ................
Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.