I think the answer is D, All of the above
Answer:
change structure of the cell
Answer:
Breathing is affected in higher altitudes for several reasons. One is that there is less oxygen. This makes it so less oxygen gets into your lungs. Another reason is that the air becomes cooler and drier. This can affect asthma.
Explanation:
1) One drug 7th graders and older should know about is Tylenol with the chemical name Acetaminophen. Tylenol is important because it is used for commonly not only amongst kids but also adults to treat muscle pains and to reduce fever. 7th graders should learn about how much Tylenol is necessary to help treat pains, in order to safely use it when they must.
I will answer more later, but I have to go
