False because mainstream smoke is defined as smoke from a cigarette or pipe. Second hand smoke is smoke that has been inhaled by someone then exhaled, making you the "second" one to breath it :)
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.
<span>Platelet is a term that is not used to refer to white blood cells. Platelets are the smallest of all blood cells, and make up a very small fraction of blood volume. The function of platelets is to prevent bleeding, whereas the function of white blood cells is to fight off infection and increase immunity to disease.</span>
Answer:
Your answer is true. Exercising can help depression and anxiety.
