As we know the immune system is a complex of cells, tissues, and organs working together to avoid disease, now there are several types of defense, the most simple and first to act are physical barriers like skin or hairs, this stop physically the advance of pathogens, therefore we can say that the correct answer is option C.
Answer:
a plasma membrane: an outer covering that separates the cell's interior from its surrounding environment.
cytoplasm: a jelly-like cytosol within the cell in which other cellular components are found.
DNA: the genetic material of the cell.
ribosomes: where protein synthesis occurs.
Explanation:
Answer:
E. Air Mass
Explanation:
The definition of an air mass is "a body of air with horizontally uniform temperature, humidity, and pressure."