Answer:
The tiny muscles that make up the iris, known as the circular and radial muscles, relax and contract to maintain a fairly constant level of light entering the eye. In bright light, the circular muscles contract whilst the radial muscles relax. This causes the pupil to constrict and less light enters the eye.
Explanation:
Answer:
Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate. Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction.
Explanation:
On the licked area for sure cause you're literally and purposefully dragging a your tongue over it, which can of course have some sort of DNA
The arteries get "hard" and absorb less systolic force
