Assuming you inhale through your nose, list the pathway a molecule of oxygen would follow starting with inhalation and ending with diffusion to a muscle fiber. List all the structures the O2 molecule passes through in the respiratory and circulatory systems, including the types of blood vessels, as it makes its way to a muscle cell. (Excluding Valves)

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

Type the correct answer in the box. spell the word correctly. which three categories of waste is savio promoting in his city? savio has been spreading awareness about the importance of proper waste disposal techniques. he has been visiting restaurants in his city and asking them to segregate waste into three categories, garbage, organics, and . so that it becomes easy to identify waste and treat them accordingly.

Antibiotics are given when an std is caused by a virus. true or false