asked 203k views
4 votes
Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the vessel contains blood and has valves. What is the blood vessel that he is observing?

2 Answers

4 votes

Answer:

the person is correct its VEINS

Step-by-step explanation:

answered
User Robert Muir
by
8.2k points
4 votes

Answer:

Veins

Step-by-step explanation:

answered
User Andrii Polunin
by
8.6k points
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