The Cardiovascular System - The Heart Flashcards
The Cardiovascular System plays a vital role in what?
Supplying oxygen and nutrients to the cells while removing waste
Cardiovascular is made up of what two words?
- Cardiac (Heart)
* Vasculature (Vessels)
What does the Circulatory System consist of?
The heart, blood vessels, and blood
Heart
Main organ responsible for keeping blood circulating throughout the body
The heart is made up of muscular tissue that contracts and relaxes to receive and distribute ____
Blood
What do blood vessels do?
Carry blood around the body
The heart is made up of four chambers; the top chambers are called the ____ & ____, and the bottom chambers are called the ____ & ____
- Left Atrium
- Right Atrium
- Left Ventricle
- Right Ventricle
Blood is distributed to all body parts and regions via what?
Arteries
Atria
Plural for atrium
Blood vessels collect what from all parts of the body to the heart?
Impure or deoxygenated blood
Where does the heart send the deoxygenated blood?
To the lungs for oxygenation
The heart collects ____ from the lungs and then distributes it to the body
Pure or oxygenated blood
Heart Rate
Heart Rate controls the contraction and relaxation to allow inflow and outflow of the blood
Contraction
The heart pumps blood out of the heart and into the vessels
Relaxation
Relaxation of the heart allows blood to fill in the heart and passively move from the atria to the ventricles
