asked 74.9k views
4 votes
true or false The blood-pumping action of respirations and skeletal muscle contractions are both important factors promoting the return of venous blood to the heart.

asked
User Ecg
by
8.2k points

1 Answer

3 votes

Answer:

true

Step-by-step explanation:

answered
User Gareth Saul
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8.1k points
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