Cell Differentiation and Tissue. Within multicellular organisms<span>, </span>tissues<span> are organized communities of cells that work together to carry out a specific function. The exact role of a tissue in an </span>organism<span> depends on what types of cells it contains !
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The purpose of your heart is to help pump your blood throughout the body. The heart beats, and it is in the upper body area.
Answer:
The correct answer is a. sympathetic nervous system.
Explanation:
The sympathetic nervous system involves the rapid involuntary response called fight and flight response during stress conditions. In a stressful condition, our body parts give signals to the hypothalamus which stimulates the sympathetic nervous system of the body.
The activated sympathetic nervous system then stimulates the release of a hormone called adrenalin and nor-epinephrine from the adrenal gland. These stress hormone together with neural activity give rise to fight and flight response.
During this response our mind becomes alter, breathing becomes deep, heart rate becomes high, pupil diabetes, and excess sweating occurs. Therefore the correct answer is a.
