Saunders Pharmaceutical Cross-Reference Book<span>is a book by written by BOTH Ellen Drake and Randy Drake.</span>
B. Meeting new friends.
Meeting new friends is a sign of happiness, and wanting to expand social life.
Answer:
They break down the pathogens that enter the body
Explanation:
- Macrophages are the first line of defense .
- They engulf any pathogen that gets in their way in a process called phagocytosis
Phagocytosis
- When the macrophages ingest the pathogen ,the cell membrane surrounds the pathogen to form a vesicle known as a phagosome
- Later this phagosome is combined with a lysosome ,which is a vesicle containing digestive enzymes to form phagolysosome.
- The digest enzymes in the lysosomes breaks the pathogen down.
Answer:
B. Sexual intercourse with an infected person.
Explanation:
HIV is spread through bodily fluids which include blood, but also semen and other fluids that you come into contact with during intercourse. It is always advised to wear a condom during intercourse to prevent the transmission of other STDs, as well.