Answer: Concentration gradient (happy to help)
Explanation: The particles may move along or against their concentration gradient.
Chemical energy usage in the human brain..
Nervous always passed electricals stimulation of in the brain
The answer is D. the curculitory system transports hormons.
Substances that are released in blood vessels during decompression sickness produce signs and symptoms that are similar to those of an allergic reaction.
Decompression sickness is a medical condition in which nitrogen, dissolved in the blood as well as tissues through increased pressure, creates bubbles as pressure drops. Its symptoms are fatigue, pain in muscles and joints, etc.
However, in more serious cases symptoms may be the same as seen during a stroke and may also include numbness, shakiness, spinning, breathing problem as well as chest pain.
Decompression sickness can be treated with oxygen and recompression therapy. Checking the depth and time span of dives and the speed of ascension can aid in the prevention of decompression sickness.
To learn more about decompression sickness here
brainly.com/question/23087827
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