Test - Circulation Flashcards
1
Q
- How many loops does the human circulatory system contain?
A
Two
Nb 78
2
Q
- Which chamber of the heart pumps oxygen-poor blood to the lungs?
A
Right ventricle
Nb 78
3
Q
- Which component of blood is 90 percent water?
A
Plasma
Nb 78
4
Q
- What can your infer from the fact that your heart beats faster when your exercise?
A
When you exercise, your muscles need more oxygen
Nb 78
5
Q
- How long does it take for your heart to pump blood through your entire body?
A
About a minute
Nb 80
6
Q
- What eventually happens to fluid that leaks from capillaries into the surrounding tissues?
A
It returns to the blood through the lymphatic system
80
7
Q
- Identify the left ventricle
A
Blood entering the left ventricle is high in oxygen, because it has just come from the left atrium , which receives oxygen-rich blood from the lungs.
Nb 78
8
Q
- Identify valve
A
The valve separates the left atrium from the left ventricle. Its function is to prevent blood from flowing backward from the ventricle to the atrium.
Nb 78
9
Q
- Identify aorta
A
Aorta carries blood from the heart to the body
Nb 79
10
Q
- Blood contains large amounts of carbon dioxide flows from the body into
_______ atrium of the heart
A
Right
Nb 78
11
Q
- The group of cells called the_____regulates the rate at which the heart beats
A
Pacemaker
Nb 78
12
Q
- Blood returns to the heart from the body through blood vessels called?
A
Veins
Nb 78
13
Q
- It is a type of cell that blood contains more in.
A
Red blood cell
Nb 78
14
Q
- What would happen if a person had a hole in the septum?
A
A hole in the septum would allow oxygen poor blood to mix with oxygen rich blood, as a result less oxygen would go to body cells
Nb 78
15
Q
- The cardiovascular system consist of the heart, blood vessels, and lymph
A
False, blood
Nb 78
