asked 12.5k views
3 votes
Which structure of the heart acts like an automatic door that closes once blood enters a chamber and forces it to exit in the proper direction?.

2 Answers

3 votes

Valves help regulate the proper direction of contents in the body

answered
User Geoff Adams
by
8.0k points
8 votes
Valves help regulate the proper direction of contents in the body
answered
User Hollance
by
8.9k points
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