31 pairs<span>In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Each pair connects the spinal cord with a specific region of the body. Near the spinal cord each spinal nerve branches into two roots.
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Blood pressure is produced because you have pressure in your heart
Friction<span> is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. friction affects the energy output because it takes some of the input energy to make friction, to account that energy is conserved the friction in machine D is input - output, 100 - 60 = 40 joules</span>
Answer:
The answer is FALSE.
Explanation:
Schizophrenia is a personality disorder that affects a person's ability to think, feel and behave clearly.
Although there is a very strong genetic component to schizophrenia, genes alone do not completely explain the illness. Rather it is believed that genes do not directly cause schizophrenia, but do make a person vulnerable to developing the disease alongside other factors such as the environment and altered brain chemistry and structure.
Answer:
1. The grasses that are diseased.
Explanation:
1. In the event that the grasses were diseased, the environment will recoup itself from this sort of disturbance.