there are veins in your anus so yes
No the heart pumps the blood but it does pump the blood through the arteries.
The heart is a pump and move blood through the blood vessels.
the heart!
The left ventricle contracts to pump blood through the systemic circulation. The right ventricle contracts to pump blood through the pulmonary circuit.
Yes
To pump blood through the body
Your heart contracts, forcing your blood out your aorta, and through your body.
Nothing. Food doesn't pass through the anus. Waste passes through the anus.
to pump blood through out your body.
to pump blood through out the heart
the heart and muscles
To inflate ur stomach you have to pump air in to it. One way is through the mouth or through the anus. Personally it is easier to go in through the anus. It although might hurt a bit but it goes away very shortly after it. I did do it it once and it hurt but it went away. Hope this helps.