Running cardio biking pull ups ?
Answer: C: Using your refusal skills!
Explanation: HIV is transmitted through bodily fluids and sexual contact. Using illegal drugs is not only harmful (most likely), but you are not maintaining safety measures. There is no vaccine for HIV as of now, so injecting drugs would not me a preventative measure. Engaging in sexual activity with multiple partners is one of the ways TO CONTRACT HIV, even when using protection. If you don't use universal precautions in a healthcare setting, you can contract HIV (although not as likely). So the best way to reduce your chances of HIV would be to use universal precautions, use protection, or the best way, use refusal skills.
Answer: In order to compensate for the low partial pressure of oxygen at altitude, the human body undergoes a number of physiological changes. A vital component in this process is the increase in the concentration of circulating haemoglobin. The role of HIF‐1α, erythropoietin and red blood cells in this acclimatisation process is described, together with the fall in plasma volume that increases the concentration of haemoglobin in the early stages of hypoxic exposure.
Explanation:
I believe you are asking about the "triangle" we were tought a simple triangle. Cells at the bottom because there are the most of them, tissues next, organ next, and organ system at the top. So I believe the answer you are looking for is Organ System.
Answer:
I HOPE I HELPED
Explanation:
the concerns of the challenges of being a US teen: what the data shows anxiety and depression serious mental stress is a fact of the life for many Americans alcohol and drugs in society and depression are the only concerned for us teens bullying and cyberbullying gangs poverty and teen pregnancy.THIS IS THE ANSWER BUT I PUT IT IN THE WRONG SPOT MY BAD