The heart is a muscle about the size of your fist. Your heart pumps blood and oxygen to all of the organs and tissues of the body through a network of “pipes” called arteries and veins. The heart ...

Blood is pumped from the heart in the arteries. It is returned to the heart in the veins. The capillaries connect the two types of blood vessel, and molecules are exchanged between the blood and ...

Structure and function of arteries, capillaries and veins Blood is pumped from ... Structure and function of the heart In this Higher Human Biology revision guide, you will learn in detail that ...

The human body is so ... At every moment, our arteries are delivering oxygen-rich blood to our organs and tissues while veins are carrying it back to the heart Over time, however, this system ...

The Japanese artist has captivated social media with an impressive series of textile sculptures representing women's hearts.

In order to get blood to the heart muscle of a by-pass patient more efficiently, surgeons first need to borrow veins or arteries from non-critical areas of the body and then stitch them into the ...

When the significance of the human circulatory system was finally established ... His hydraulic description of circular blood flow—out from the heart through the arteries and back to the heart through ...