Bruising is caused by bleeding under the skin, which occurs due to injury to blood vessels. But it’s normal
Answer:
5km
Explanation:
you don't want to wear yourself out, and be super sore. so 5km would be the perfect distance. 3km would not be long enough for a good work out.
Answer:
1. pupil
2. retina
3. optic nerve
Explanation:
The PUPIL of the eye bends the light rays and focuses them on the rear inner lining called RETINA. Then the image is then relayed through the OPTIC NERVE to the brain.
A major source of today's medicine is COAL