Answer:
If we consider the entire nervous system as an electric grid, the central nervous system would represent the powerhouse, <u>whereas the peripheral nervous system would represent long cables that connect the powerhouse to the outlying cities </u><u><em>(limbs, glands, and organs) to bring them electricity and send information back</em></u>
Explanation:
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Answer:
There are three major types of anemia. Placed according to the size of the red blood cells: If the red blood cells are smaller than normal, this is called microcytic anemia. The major causes of this type are iron deficiency (low level iron) anemia and thalassemia (inherited disorders of hemoglobin).
Answer:
The correct option is : a. causing threshold to be reached more quickly
Explanation:
Norepinephrine, also known as noradrenalin, is an organic compound, which belongs to the catecholamine family. It acts as a hormone and a neurotransmitter in the brain and the body and also impacts the heart.
It is one of the hormones secreted by the adrenal medulla. Norepinephrine is a part of the fight-or-flight mechanism of the body. It acts by binding to the β-1 receptors and opens the chemical or ligand gated calcium and sodium ion channels. Therefore, <u>it causes the threshold to be reached faster </u>by increasing the rate of depolarization and thus causes heart arrhythmia.
Therefore, <u>Norepinephrine acts on the heart by </u><u>causing threshold to be reached faster.</u>
Answer:
Veterinary science deals with the health and wellbeing of animals
Y'know it’s basically a veterinarian.
Explanation:
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