Answer:
B
Explanation:
I've had this question before got it right.
The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis.
Idk I’m really sorry my friend
No muscle contraction will be observed.
<h3>What is the effect of calcium concentration on muscle contraction?</h3>
The concentration of calcium ions in the muscle cells help in contraction and relaxation of muscles fibers.
Release of calcium ions initiate muscle contraction.
Therefore, there will be no contraction of muscle if calcium ions are not transported out from the sarcoplasm.
Learn more about muscle contraction and calcium ions at: brainly.com/question/14760686
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Reflections and absorption by the atmosphere prevent some radiation from reaching Earth's surface.
