Acute exposure to high altitude can affect the cardiovascular system by decreasing oxygen in the blood (acute hypoxia). It also increases demand on the heart, adrenaline release and pulmonary artery pressures.
I hope this helped:))
I think it’s B. Fluoridated Gases
<span>The correct answer is D. The US Food and Drug Administration examines many different substances and approves them when their benefits outweigh the risks. To be approved, manufacturers must prove to the FDA that their product is both safe and effective, so if the drug is ineffective, it is unlikely that the FDA will approve it.</span>
Explanation:
The International Classification of Functioning, Disability and Health (ICF) is a framework for describing and organizing information on functioning and disability. It provides a standard language and a conceptual basis for the definition and measurement of health and disability.
B. Spinal nerves I think, it makes most sense to me.