Facilitated diffusion occurs with the help of a transport protein, such as electrons passing through ATP synthase in the electron transport chain.
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c. thyroxine </span><span>The thyroid releases too much of the hormone thyroxine, which increases the person's basal metabolic rate.</span>
Mie scattering is caused by pollen, dust, smoke, water droplets, and other particles in the lower portion of the atomosphere
Answer:
yes
Explanation:
as the atrium contracts , blood flows from your right atrium into your right ventricle through the open tricuspid valve. when the ventricle is full, the tricuspid valve shust . this prevents blood from flowing backward into the right atrium while the ventricle contracts
