Answer:
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Answer:pre-formed structures and chemicals, and by infection-induced responses of the immune system.
Explanation: brainliest?
The answer is endocrine system. It includes all of the glands of the body and the hormones produced by those glands. The glands are controlled directly by stimulus from the nervous system as well as by chemical receptors in the blood and hormones produced by other glands. By regulating the roles of the organs in the body, these glands help to continue the body’s homeostasis. Cellular metabolism, reproduction, sexual development, sugar and mineral homeostasis, heart rate, and digestion are amid the several processes controlled by the actions of hormones.
It's called muscle spasticity. Or in common terms, muscle cramp.
Hope this helps.
The primary function of chloroplast is to carry out photosynthesis with the help of chlorophyll.