Circulatory System Flashcards
1
Q
What is the circulatory system?
A
The circulatory system is the transport system of the body. It also defends the body from infections.
2
Q
What makes up the circulatory system?
A
Blood, blood vessels and the heart make up the circulatory system.
3
Q
What does regular exercise cause?
A
Heart’s recovery rate is quicker.
Heart pumps more blood per beat.
The resting heart rate becomes lower.
The number of capillaries in the body increases.
4
Q
What is the cardiac cycle?
A
The cardiac cycle is the continual sequence of contraction and relaxation of the atria and ventricles to keep blood continually circulating around the body.
