Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What does the circulatory system consist of? |
heart, blood vessels, & blood |
|
|
What is your pulse? |
The push of blood through the blood vessels each time your heart beats |
|
|
What is your heart rate? |
The number of times your heart beats in a minute |
|
|
Name the hollow organ (in your body) which has walls made of strong muscle. |
your heart |
|
|
Which side of your heart pumps the blood to your lungs? |
the right side of your heart |
|
|
How many directions does your blood flow? |
only one direction |
|
|
What is the top chamber of each side of your heart called? |
atrium |
|
|
What is the lower chamber of each side of your heart called? |
ventricle |
|
|
What is the part of your heart made of a group of cells which send electric currents to the heart and makes sure the heart beats at a steady pace? |
pacemaker |
|
|
What is the small flap of tissue which prevents blood from flowing backward? |
valve |
