Cardiovascular System Flashcards
What is an AED?
a shocking device that’s send electrical signals to the heart
Why would someone need to use and AED?
If their heart stops (cardiac arrest)
If someone goes into cardiac arrest, what are the survival chances without and AED?
5-7% and decreases as time passes
What does the cardiovascular system consist of?
The heart and blood vessels
About how many liters of blood does the heart pump per day?
7,000 liters
What is the average amount of times that the heart contracts within a persons lifetime?
2.5 billion
Pulmonary circuit flow
Heart - lungs
Lungs - heart
Replenish oxygen
Release carbon dioxide
Systemic circuit flow
supplies all other cells
What do veins do?
Supply blood to the heart.
What do arteries do?
Carry blood away from the heart.
What does the pulmonary circuit do with blood?
Send bad blood to the lungs
Pick up oxygen
Drop off carbon dioxide
What does the systemic system do with blood?
Send good blood to cells and removes waste.
Upper part of the heart
left and right atrium
Bottom part of the heart
ventricles
What is the size of the heart?
About the size of a fist
14 cm long
9 cm wide