Myasthenia gravis is caused by an error in the transmission of nerve impulses to muscles. It occurs when normal communication between the nerve and muscle is interrupted at the neuromuscular junction, the place where nerve cells connect with the muscles they control.
Answer:
The correct answer is option ( A ) nine thousand
Explanation:
( basically a average person has 10 thousand taste bud but I gave the answer according to the given options , and we start to lose our taste also as we age )
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True, Following the 8x8 rule is recommended in living a healthy life.
Answer:
True
Explanation:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.
