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4 answers

The intestinal tract also called the alimentary canal.

2007-10-23 06:40:15 · answer #1 · answered by ATP-Man 7 · 0 1

Blood always flows away from the heart. It continues around the body and eventually arrives back at the heart. The only difference exercise makes is to speed up the flow due to the greater oxygen requirement.

Ian M

2007-10-23 14:01:28 · answer #2 · answered by Ian M 6 · 0 1

Vein.

Vein is the largest reservoir of blood. Exercise helps to return blood to the heart.

2007-10-23 15:06:13 · answer #3 · answered by OKIM IM 7 · 0 1

Well technically the heart, but don't forget it flows back there, too.

2007-10-23 13:39:46 · answer #4 · answered by Leviathan 6 · 0 1

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