It is the aorta. It is the biggest and the main artery
Answer:
Explanation:
The differnce between the two is from person to person it is by bodily fluids and environmental is through or could be an airborne diesease
It tends to act as a upper when it is truly a downer
Your Answer Is...
It is a barrier to listening because if you're thinking of something else, than you're not paying attention to the person whose talking.
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My Brainly Name: AnonymousGiantsFan
i believe it is true because i looking at the book