Answer:
B
Explanation:
I learned this 2 years ago
The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong
Answer:
1. Answer is B.
Explanation:
2. Bro this is something for the physics section, not biology.