Cardiovascular system is often compared to a city.
C is the only answer that helps the public's health
Electronic Medical Records
I think lymph nodes produce white blood cells...so when you get sick, they produce many white blood cells to fight the bacteria or virus, and I assume they swell because they're over-producing white blood cells.
Answer:
Childrens can do most dangerous things when they are alone playing.here below are some measures to guide childrens when playing.
Explanation:
- Always do not allow childrens to play near water bodies such lake ,river.
- Always keep away sharp materials away from children while playing.
- Do not allow childrens to play barefoot .
