Answer:
I believe the answer is plasma membrane.
Answer: Pulmonary edema
Explanation:
Pulmonary edema is the condition in which there is an excess of fluid in the lungs. This fluid gets collected in the air sacs which causes hindrance in breathing.
Most of the heart related diseases causes pulmonary edema. Pulmonary edema can be caused due to pneumonia, trauma in the chest wall and exercising at higher elevations. It is very fatal if not cured on time.
Hence, the correct answer is pulmonary edema.
Points c and d would have spring tides.
Cancer is uncontrolled cell division.
Day and night is caused by the earth rotating on its axis throughout 24hrs