Answered

At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Blood is propelled back to the heart by...
a) relaxation of muscles in the walls of veins and the action of one-way valves
b) contractions of the walls of capillaries
c) the natural flow of blood into ever larger blood vessels leading to the heart
d) skeletal muscle contractions around veins and the action of one-way valves
e) the negative pressure of the heart pulling blood into the empty chambers

Sagot :

We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Thank you for visiting Westonci.ca. Stay informed by coming back for more detailed answers.