Answer:
The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and they produce more carbon dioxide as a waste product.
Explanation:
B. It can cause widespread death
it can also
C. It may seriously impact healthy adults.
flu is caused by a virus (influenza) NOT bacteria
Vaccines are made, but may not necessarily be available for a pandemic right away (takes time to develop).
Answer: Plaques
Explanation:It’s used to describe the accumulation of different kinds of deposits on the teeth, which promote dental caries.
Answer:
In conservation biology, a flagship species is a species chosen to raise support for biodiversity conservation in a given place or social context.
Explanation:
I just know ig ...
