C. the celebration of ethnicity
Answer: The integumentary system helps the immune system by The skin acts as a barrier to keep out pathogens (B)
Explanation:
Answer:
The answer would be 4. just yourself
Explanation:
If you only have yourself for support then theres no system in place
Answer:
A brain concussion
Explanation:
This is the effect when a person suffers a brain knock due to an accident or by playing contact sports like in this case.
Depending how hard was the hit, the brain can suffer different effects, this is due to the lost of the brain liquid that support it. The lost of memory is one of the effects, that can be due to the area that suffer the hit. Depending the are of the brain that was damage.
Hope this info is helpful.