the great vessels (arteries and veins)
- Created by: P15198914
- Created on: 15-02-16 20:19
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- the great vessels
- the great vessels!
- superior and inferior vena cave- return blood from the body to right atrium
- coronary sinus- returns blood from heart wall to right atrium
- pulmonary trunk (artery)- takes blood (deoxygenated) from right ventricle to lungs
- pulmonary veins- returns blood (oxygenated) from lungs to left atrium
- aorta- takes blood from the left ventricle to body
- walls of blood vessels
- 3 layers
- inner layer is endothelium (simple squamous epithelium)
- middle layer is smooth muscle and elastic fibres
- outer layer is elastic and collagen fibers
- arteries and veins
- elastic arteries are the large arteries
- Untitled
- blood
- 5 litres of it
- two components: cells (RBCs and WBCs) and plasma
- RBCs- 45%
- WBCs- 0.07%
- platelets for clotting
- plasma- ~54.3% of blood. ~92% of plasma is water the rest is proteins and other things
- the great vessels!
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