The lymphatic system returns fluid that was lost back into circulation
The answer is (C) inside the cell membrane. The channels for facilitated diffusion aren’t outside, or else things still couldn’t get in, so the answer is not A. And it isn’t B because then things couldn’t get in from outside either. I am positive that the answer is inside the cell membrane. Have a lovely day
Answer:
Air pollution occurs when harmful or excessive quantities of
substances are introduced into Earth's atmosphere. Sources of air
pollution include gases (such as ammonia, carbon monoxide, sulfur
dioxide , nitrous oxides , methane and chlorofluorocarbons),
particulates (both organic and inorganic), and biological molecules .
Explanation:
Sympathetic Nervous System -> Raises Heart Rate
Peripheral Nervous System -> Runs throughout the body
Central Nervous System -> Brain and Spinal Cord
Autonomic Nervous System -> Digestion and emotion
Somatic Nervous System -> Sensation and body movement
