Objectives: :
Objectives: the anatomy of the heart.
the pulmonary and systemic circuits.
Structure of a heart :
Structure of a heart
Structure of the heart :
Structure of the heart heart is a muscular organ that acts like a pump to continuously send blood throughout your body.
This system consists of a network of blood vessels, such as arteries, veins, and capillaries. These blood vessels carry blood to and from all areas of your body.
Slide 5:
In human beings, heart is about the size of a clenched fist
Located in the chest cavity
Has a roughly conical shape
The walls are made of cardiac muscles
It is enclosed in a double-walled sac called the pericardium
Function of each parts :
Function of each parts
Blood circulation :
Blood circulation The mammalian heart is 4 chambered and shows double circulation. This means that the blood passes through the heart twice for the body to be supplied once.
The 2 circulations are systemic circulation and pulmonary circulation.
pulmonary circulation :
pulmonary circulation Pulmonary circulation is the movement of blood from the heart to the lungs and back to the heart again.
systemic circulation :
systemic circulation Circulation of blood around the body
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~ The end ~