Short quick amswers but with the correct meaning
Answer:
The visible part of the eye is protected by the eyelids and the eyelashes, which help keep dirt, dust, and even harmful bright light out of the eye. Eyes are also protected by tears, which moisten them and clean out dirt, dust, and other irritants that get past the defenses of the eyelashes and eyelids.
Explanation:
The answer is D central nervous system
Beta-adrenergic receptors (in heart, lungs, and blood vessels)--> leads to a decreased in heart rate --> decreased BP
