First aid is treatment given at the time of an injury. The correct option is A.
<h3>What is first aid?</h3>
The care or treatment given to a sick or injured person before regular medical assistance can be obtained is recognized as first aid.
First aid is treatment provided at the time of an injury. Because first aid is provided after an injury, it is not provided in the same location.
Thus, the correct option is A.
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Answer:
2,4,1 and 3.
Explanation:
Cholera toxin is an epidemic disease caused by the bacteria. This mainly causes watery diarrhea and results in the extreme loss of fluid from the body and causes electrolyte deficiency in the body.
The cholera is a toxin is produced by the bacteria. This toxin has the ability to enter in the intestinal cells. This enters into the cell by the endocytic process. This toxin causes he activation of cAMP in the body. cAMP activates the protein kinase A, this causes the opening of CFTR channel. This channel opens the chloride diffusion and results in the loss of chlorine ions from the body.
Thus, the correct order is 2,4,1 and 3.
A leaf is an organ because the leaf is made of lots of tissues. It helps the plants.