Answer:
noun
Explanation:
Tony is a person, place, or thing
Answer:
5. pauk snelgrove states that oceans cobtribute significantly to not only sustaining life on earth but they are play a crucial part in nutrient
The two semilunar valves, the pulmonary and aortic valves, are closed, preventing backflow of blood into the right and left ventricles from the pulmonary trunk on the right and the aorta on the left.
It is usually caused by the forces of gravity
Brainliest?
Answer:
b
Explanation:
Internal respiration is the process of diffusing oxygen from the blood, into the interstitial fluid and into the cells.