The extensive network of capillaries in the human body is estimated at between 50

The extensive network of capillaries in the human body is estimated at between 50

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
The extensive network of capillaries in the human body is estimated at between 50,000 and 60,000 miles long. Thoroughfare channels allow blood to bypass a
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: capillary bed. These channels can open and close by the action of muscles that control blood flow through the channels,...
View Full Document

Ask a homework question - tutors are online