When the human body receives a neurotransmitter from outside of the body. The first aspect to consider is if the neurotransmitter entered through the blood vessels by injection or by oral intake. When the neurotransmitter is in the blood stream can reach the receptor of this neurotransmitter in the body. If the person is healthy, the receptor will receive an overstimulation so the answer will be stronger than normal quantities of the neurotransmitter. Nevertheless, the reuptake of the neurotransmitter will occur in the same way as natural neurotransmitter.
The difference between it and hyaline is that fibrous cartilage has a much denser matrix which contains far fewer chondrocytes and thicker collagen fibres. The main function of fibrocartilage is to serve as a shock absorber for structures where excessive pressures are generated.
Cells specialize to form specific tisue and organs because all cells have the same DNA. stem cells can develop into every type of cell inside the body.The cell is the basic unit of structure and function in all living organisms.
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<em><u>Answer:The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria. The left ventricle also has a thicker muscular wall than the right ventricle, as seen in the adjacent image</u></em>.
Option (b) is correct i.e. pediculosis, contagious disease creates a primary skin lesion that is a pinpointed macule, papule, or wheal with hemorrhagic puncture site.
Most infections of head lice i.e. pediculosis are symptomless. When symptoms are present, there may be irritation, a tickling sensation as though something is moving in the hair, and itching due to an allergic reaction to louse saliva. One potential source of problems is secondary bacterial infection. The pathogens that cause Bartonella quintana, Rickettsia prowazekii, and Borrelia recurrentis body lice are a vector for (louse-borne relapsing fever). The most common way that head lice are transmitted is through contact with an infected person (i.e., head-to-head contact). During play (sports, playgrounds, summer camp, and sleepovers), at home, school, and in the community, there is frequently contact. Less frequently, it is possible for flies to transmit head lice (more common with body lice). Transmission can also occur if you use infected combs, brushes, towels, or if you lie on a bed, couch, pillow, carpet, or stuffed animal that has recently come into contact with an infected person.
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