The answer is cellular respiration. Cellular respiration does not require sunlight, photosynthesis does require sunlight.
By "receiving chambers," I'm not sure if you mean the right atrium and left atrium or the right and left ventricles because those are also chambers within the heart that receive blood in the blood flow cycle.
Automatic Nervous system
In human, the automatic nervous system is part of the peripheral
nervous system and it consists of the sympathetic division and the parasympathetic
division. Automatic nervous system is regulated by hypothalamus which
controls our internal organs and glands such as blood pressure, breathing, pulses
and arousal in response to emotional circumstances.
Answer:
Option 3
Nephron -> Ureter -> Urinary Bladder -> Urethra
A. Size, because it would determine if the molecule can fit though the pores.
