Answer:
The “lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.
Answer: False
Explanation:
Medical asepsis isn't known for that instead it's Surgical asepsis that is known for also being called sterile technique.
Answer:
Yarsagumba with its Latin name cordyceps sinesis literally means summer plant and winter insect in Tibetan. ... Yarsagumba, Yarshagumba or Yarchagumba is a rare and unique herb that grows in the meadows above 3,500 meters (11,483 feet) in the Himalayan region of Nepal.
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Answer:
The answer is B: All the muscle cells innervated by a single motor neurorn.
Explanation:
It is called a motor unit, all muscle fibers that are innervated by a motor neuron cell. A motor neuron cell can establish contact with up to 150 muscle fibrils, which when activated causes their simultaneous contraction, therefore, all the muscle fibers of a motor unit contract and relax at the same time.
It’s an example of disenfranchised grief
