Answer:
The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. ... They act as one-way inlets of blood on one side of a ventricle and one-way outlets of blood on the other side of a ventricle.
Explanation:
The rights of the patient as the owner of the images are the exception to the patient before obtaining informed consent for dental radiographs.
Dental radiographs, sometimes known as x-rays, are a crucial component of your dental care. They give your dentist a fuller picture of what's going on in your mouth than an oral examination alone.
Your dentist can detect diseases and developmental disorders using dental radiographs before they worsen. Early injury or infection discovery can help restrict or stop subsequent harm to other oral sites. Your dentist may be informed of changes in your hard and soft tissues through dental radiographs. Radiographs in youngsters enable the dentist to monitor the growth of the jawbone and teeth. Dental radiographs, like medical radiographs, let your dentist assess any facial and oral injuries you may have.
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Answer:
1. dendrite = directs impulses toward the soma.
2. axon = conducts impulses toward the synaptic terminal.
3. perikaryon = region surrounding nucleus.
4. collateral branches = main branches of an axon.
5. synaptic terminal = enlarged end of an axon.
6. synaptic vesicles = contains neurotransmitters.
7. axon hillock = connects the cell body and axon.
8. Nissl bodies = clusters of RER and free ribosomes.
9. telodendria = fine branches of an axon.
10. myelinated internode = part of axon covered by Schwann cell.
11. neurilemma = Schwann cell's plasma membrane.
12. axolemma = membrane of the axon.
13. astrocyte = Forms the blood-brain barrier.
14. cell body = soma.
They grow, divide and die. Cancer cells, on the other hand, don't follow this cycle. Instead of dying, they multiply and continue to reproduce other abnormal cells.
When you exercise, your body releases chemicals called endorphins. These endorphins interact with the receptors in your brain that reduce your perception of pain. Endorphins also trigger a positive feeling in the body, similar to that of morphine.
