Intro to the Cardiovascular System Flashcards
1
Q
What are the physical components of the Cardiovascular System
A
heart
blood vessels
blood
2
Q
Function of the Cardiovascular System
A
- Heart acts as a muscular pump to ensure adequate blood flow throughout the body.
- Transport of oxygen, nutrients and hormones to body cells through the blood.
- Removal of metabolic waste from cells.
- Protection of the body by circulating defensive white blood cells and antibodies from foreign materials.
3
Q
Heart Position
A
The heart is located between the lungs, slightly more to the left of the chest.
It lies obliquely within the thoracic cavity.
- Posterior to the sternum
- Superior to the diaphragm.
4
Q
What is the inferior tip of the heart called?
A
the apex
5
Q
what is the flat superior end of the heart called?
A
the base
6
Q
What is the name of the continuous layer of tissue that surrounds the whole heart?
A
the pericardium
7
Q
What are the 3 layers of the heart wall called?
A
The epicardium (outer) The myocardium (middle, made of muscle) The endocardium (inner)
8
Q
4 chambers of the heart
A
right atrium
left atrium
right ventricle
left ventricle
9
Q
4 valves and their locations
A
- Mitral/Bicuspid (Left Ventricle)
- Tricuspid (Right Ventricle)
- Aortic (Aorta)
- Pulmonary (pulmonary vein)
10
Q
3 types of blood vessel
A
- Arteries
- veins
- capillaries
