test - circulatory system Flashcards
1
Q
17.What eventually happens to fluid that leaks from capillaries into the surrounding tissues?
A
it returns to the blood cells through the lymphatic system. nb.pg.78
2
Q
- what helps strengthen heart muscle?
A
excercise.nb pg.78
3
Q
- what prevents blood from flowing backwards?
A
valve. nb.pg.78
4
Q
- which chamber of the heart pumps oxygen - poor blood to the lungs?
A
right ventricle. nb.pg.79
5
Q
39.does the cardiovascular system contain lymph?
A
false; blood. n.pg.78
6
Q
- which blood cell is the most abundant?
A
red blood cell. nb.pg. 78
7
Q
- where’s does blood that contains large amounts of carbon dioxide flows from the body into which atrium of the heart?
A
right atrium. nb.pg.79
8
Q
- blood is pumped through blood vessels but the action of what organ?
A
pacemaker nb.pg.78
9
Q
- what is the left atria?
A
the left atria is a chamber of the heart that receives oxygenated blood. nb.pg.79
10
Q
54.what is the right atria and where does blood flow after leaving it?
A
the right atria receives deoxygenated blood and sends it to the lungs. nb.pg.79
11
Q
- what is a valve?
A
a valve in your heart that regulates blood flow from your lungs prevents back flow. .nb.pg.78
12
Q
- true/false. white blood cells are the most abundant blood cell in your body.
A
false;red blood cell. nb.pg.78
