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Person
- ... These are called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the ... out of the body the next time a person exhales. Gas exchange allows the body to replenish ...
- The nervous system enables a person to blink to prevent harmful substances, like smoke from getting in the eyes. During the normal course of a day, a ...
- ... can see that the knee of an older person looks considerably different than that of a younger person. Let's take a look at the joint itself ...
- ... information. If the occipital lobe becomes damaged, a person could become blind, even if his or her ...
- ... spicy foods, such as pizza, may cause a person to feel heartburn. Although the name may imply ...
- ... cell-mediated immunity, which can become deficient in persons with HIV, the virus that causes AIDS. HIV ...
- ... temporarily cause blood pressure to rise. If a person has a consistent blood pressure reading of 140 ...
- ... like walking, standing, or bathing. Many times, a person will sustain a fracture before becoming aware of ...
- ... to see things that are far away. A person with a long eye is said to be ...