menu
QAmmunity.org
Answers by Nitu Dhaka
Login
Register
My account
Edit my Profile
Private messages
My favorites
Answers by Nitu Dhaka
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by Nitu Dhaka
Filter
User Nitu Dhaka
Recent activity
All questions
All answers
What is the function of heart valves A) they prevent blood from flowing backwards B)they force blood to flow out of the heart C)they return blood to the heart D)they regulate the heart rhythm
answered
Mar 6, 2018
Biology
middle-school
1
vote
144k
views
Page:
« prev
1
2
3
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Search QAmmunity.org