Cardiovascular Guided Notes Flashcards
Cardio means:
Heart
Vascular means:
blood vessels/veins
Function of the Cardiovascular system
The body’s transport system
Job of the heart
Pump blood
Job of blood vessels
transport blood
Job of blood
deliver water, nutrients, air
Heart size
fist
Heart weight
under 1lbs
Heart shape
strawberry
Heart location
center of the chest
The Septum’s job
divides the heart into right and left sides; the left side contains a lot of oxygen
The 2 chambers and jobs
- Atrium - On top; where blood enters; smaller
- Ventricles - Bottom; bigger
Valves
Keeps blood flowing on one direction
Aorta
Largest artery in the body; blood to body
Aorta
Largest artery in the body; blood to body
Vena Cava
Carries blood from rest of the body backto the heart
Pulmonary Artery
carries blood w/ oxygen to lungs
Pulmonary Vein
Carries blood with oxygen to the heart
Arteries
Carries blood away from the heart
Veins
Carries blood back to the heart
Capillary Vessels
Where the exchange of the nutrient takes place
Blood Pressure
The force of blood against the walls of the Arteries
Systole
Top number; ventricles retract
Diastole
Bottom number; ventricles relax
2 blood functions
- carries food and oxygen to all cells
- rids body of waste
Red blood cells
Erythrocytes
White Blood Cells
Leukocytes; protect you
Platelets
Thrombocytes; creates scabs and prevents blood loss
