Answer:
C.
Explanation:
A theory is not a guess but an explanation of <u><em>why</em></u> things happen.
The neurotransmitter that is responsible for the voluntary movement of muscles in the arm is ACETYLCHOLINE.
Acetylcholine is the neurotransmitter that act at neuromuscular junctions, that is, it is released by the nervous system to activate muscle movement. Muscular contraction is usually initiated by the release of acetylcholine by the nervous system.
Answer:
Cellulitis
Explanation:
The infection of dermis and subcutaneous tissues is called Cellulitis.. It is commonly seen in face and at site where skin is broken such as cuts, blisters, cracks, burns, injection sites, insect bites etc.
It is caused by group A Streptococcus or Staphylococcus
Some of the common symptoms of this infection are –pain, edema and erythema and increased warmth.
The old age adults are more commonly exposed to this disease. The extent of expose increases with obesity, edema and opening in skins.
Answer: It reduces the usefulness, productivity, and biodiversity of the land and is one cause of desertification and erosion. Overgrazing is also seen as a cause of the spread of invasive species of non-native plants and of weeds.
