Answer:
<em>It affects the central nerve system.</em>
Explanation:
<u><em>It affects the biochemical and physiological functions.</em></u>
<u><em>Hope this helped! </em></u>
<u><em>-Justin</em></u>
The lens of the eye loses its ELASTICITY with age and cannot change from viewing distant objects and close objects as readily as before.
Answer:
The integumentary system.
Explanation: The integumentary system is the on that is responsible for regulation and synthesis of the vitamin D. Remember this, Vitamin D for the skin is found when the sunlight has absorbed on the skin. Hope this helps!
Flossing, brushing twice a day and stuff
Independent variable...................
