Puncture wounds would be when something punctures the skin, i. e., I stepped on a nail, giving me a puncture wound. When the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin, this is called an "abrasion"
Answer:
d. Sends messages about your environment to the brain.
Explanation:
i don't have an explanation, i just know it from last year's health class.
Sugars because we glucose is made of sugars