After you take a breath the air travels through your windpipe and into the lungs
Answer:
Pedestrian
Explanation:
A person travelling on foot, whether walking or running
Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
Well some people think that the universe is faulty, empty and unstable, just like soap bubbles.
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an organ system is a group of organs that work together for a common function. the order goes cells, tissues, organs, organ systems, organism.
