Is there multiple choice? if not, I would say positivity.
Answer:
myoglobin
Explanation:
when a muscle is damaged, myoglobin goes into bloodstream
When well-meant compliment from a buddy about how foxy Stacy looks sets Bobby off. He isolates Stacy from her friends; time spent talking or doing things with others is time taken from him, he explains.
Answer:
There are 2 Valve Systems
Explanation:
The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).
