Answer:
The nervous system is made up of all the nerve cells in your body. It is through the nervous system that we communicate with the outside world and, at the same time, many mechanisms inside our body are controlled. The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain. Metabolic processes are also controlled by the nervous system.
Explanation:
Answer:
Calcitonin stimulates the kidneys to absorb calcium when calcium levels are too low, while parathyroid hormone stimulates the kidneys to excrete calcium when calcium levels are too high.
Explanation:
D should be the correct answer
If a farmer decides to stop using chemicals like fertilizers and pesticides on his crops, fungi will grow on the plants’ roots to help the plants get more nutrients.
Pesticide is a generic term that refers to all the chemical substances that are used to prevent attack on plants by other living organisms. Fertilizers are chemicals that are added to the soil to aid plant growth.
However, these pesticides have a harmful effect on fungi which helps to increase the uptake of water and nutrients by plants and also to increase availability of nutrients to the plant roots.
However, if the farmer stops using these pesticides, fungi will grow on the plants’ roots to help the plants get more nutrients.
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