The answer is body's physiological reaction to any demand that is placed on it
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Hans selye describe a stress as responses of the body to any changes of demand. The response of the body to the demand could be harmful as it could lead to some disease like stomach ulcer. It is important to know what your stress source and manage it before the stress start to harm your body.
Answer:
I believe it would be the muscular system
Explanation:
The digestive excretes the not needed food in your body, (I won't go into detail) The respiratory excretes Carbon dioxide which would be a form of waste.
Answer:
Transportation
Explanation:
They can transport substances / nutrients from roots to different parts of the plant which makes the stem important for the plant.
It stands for Ribonucleic Acid
Genetic information from DNA
building of proteins
Answer: Nitrogen
Explanation: just trust me