Answer:
Bacteria helps digest food, make vitamins, and play other important roles
Because gravity pulls towards the center of the earth evenly in all directions, giving earth a spherical shape.
Answer:
I don't know sorry need to include more details for me to help u , sorry again
In the nervous system, electrical impulses serve as messengers.
Nearly all of your actions, thoughts, words, and emotions are controlled by your nervous system. It manages complex functions like memory, thought, and movement. Additionally, it is vital for bodily functions like breathing, blushing, and blinking that occur automatically.
The endocrine system's chemical messengers, hormones, use the bloodstream to carry messages to and from cells.
A intricate system of glands and organs makes up the endocrine system. Your body's metabolism, metabolic rate, reproduction, growth and development, and response to injury, stress, and mood are all regulated and coordinated by hormones. The endocrine system is made up of the following components: Hypothalamus.
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Actually there are many reasons for it ...but I cannot type that much.sorry.
