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:
zoonotic disease is a bad virus
Explanation:
Answer:
there is no age limit for exercise, the more you do it, the more you are fit and chances of living longer