Answer:
The answer you are looking for is B. The gravitational pull of the moon
Explanation:
The moon influences tides the most. The moon's gravitational pull on the earth is strong enough to tug the oceans into bulge
I think tracheae which is B not sure tho
Cells
Tissues
Organs
Organ system
Organism
Answer:
The pulmonary artery carries deoxygenated blood (blood whose oxygen content is relatively low) from the right ventricle to the lungs. The blood here passes through capillaries to alveoli and becomes oxygenated (as part of the process of respiration).