Answer:
The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
Explanation:
illegal use of ergogenic substances
Answer: healthcare is different from other services because it is not clearly defined. The demand for healthcare comes from the desire of the consumers to gain good health people prefer to be healthy than sick.
Answer:
it a. using her critical thinking skills
Explanation:
Answer:
Multiple factors drive the continued increase in STDs. Data suggest that multiple factors are contributing to the overall increase in STDs, including: Drug use, poverty, stigma, and unstable housing, which can reduce access to STD prevention and care; Decreased condom use among vulnerable groups, including young people and gay and bisexual men
Explanation:
Hope this helps!
