Which of the following best describe a muscle strain ?
a. a tear in the muscles fiber from overuse
b. an injury to a joint
c. an injury to a tendon from hyper extension.
d an injury to a ligament
i think the answer is a

How does a bone marrow transplant treat sickle cell disease?

Drea has never had alcohol, but she believes her friends when they tell her that almost everybody at their school drinks on a regular basis. in reality, very few students at the school drink alcohol.which statement best describes what is occurring in this situation? a.peers are influencing what drea thinks of as normal behavior. b.peers are pressuring drea to drink. c.drea is not really influenced by what her peers think. d.drea is giving in to peer pressure.

What is the hormone in your brain that makes you feel happy?