Terms

Question 1

What does the heart do?

Answer 1

Pumps blood.

Question 2

What are the three types of blood vessel?

Answer 2

1. Arteries
2. Capillaries
3. Veins

Question 3

What does an artery do? Give their general info.

Answer 3

They carry blood away from the heart (most carry O2 blood; only the pulmonary artery carries CO2 blood.) They are very elastic and strong, and if cut, blood squirts, with great pressure. They branch into arterioles.

Question 4

What are the diseases of the arteries? Explain. (List three.) Are they dangerous combined? Why / “ not?

Answer 4

1. Atherosclerosis-when cholesterol builds up inside of arteries and narrows them
2. Arteriosclerosis- the plaque (cholesterol build-up) hardens and becomes brittle
3. High blood pressure
   The three combined are capable of leading to heart attacks/strokes ( a ‘brain attack.’)

Question 5

What does a vein do? Give their general info.

Answer 5

They carry blood to the heart (most carry CO2 blood; only the pulmonary vein carries O2 blood.) Walls are thinner, not so elastic. Valves prevent backflow of blood.

Question 6

State the three facts that we’re supposed to know about the capillaries from the review sheets.

Answer 6

They are microscopic. Their walls are one cell thick, which allows osmosis to take place. There is virtually no blood pressure in them.

Question 7

What is blood? How much blood does an adult have?

Answer 7

Blood is a liquid tissue which carries substances around the body. An adult has 6 quarts of blood, which is about 24 cups.

Question 8

What is the name for the upper chambers of the heart?

Answer 8

Atrium (sing.)

Atria/Auricles (plur.)

Question 9

What is the name for the lower chambers of the heart?

Answer 9

Ventricle/s

Question 10

What kind of blood does the right side of the heart carry?

Answer 10

A bluish-red blood rich in CO2.

Question 11

What kind of blood does the left side of the heart carry?

Answer 11

A bright red blood rich in oxygen.

Question 12

What is the septum? What happens when there is a hole in it?

Answer 12

The septum separates the right and left sides of the heart. When there is a hole in it, the complexion of the baby is blue.

Question 13

What is the definition of circulation?

Answer 13

The movement of “things” around the body.

Question 14

What do the valves do?

Answer 14

They control the flow of the blood in the heart.

Question 15

What is the largest artery called?

Answer 15

The aorta.

Question 16

What do valves do

Answer 16

Receive blood

Question 17

What is the pericardium

Answer 17

Sac that provides food source when body is starving

Question 18

What is the Vena cava

Answer 18

Main vein

Question 19

Pulmonary artery

Answer 19

C02 to heart

Question 20

Coronary artery

Answer 20

Around heart, blood vessels that bring oxygen to heart

Question 21

How do u become a blue baby

Answer 21

U have a whole in your septum

Question 22

What is heart murmur

Answer 22

Leaky valves. It is heard thru a stethoscope

Question 23

What is a heart attack

Answer 23

When the coronary arteries get blocked

Question 24

What is a stroke

Answer 24

When coronary arteries get blocked, blocking off the brain and a part of the plain does

Question 25

What is pulse

Answer 25

Echo of heartbeat

Question 26

What is blood pressure

Answer 26

Push if blood in arteries

Question 27

What is a Antibody

Answer 27

Killer

Question 28

What is an antigen

Answer 28

Chemical ID

Question 29

What are platelets

Answer 29

Cells that Able to form scabs of cuts or wounds. They block the blood.

Question 30

What is vitamin K

Answer 30

Dark green leafy veggies. They keep platelets healthy

Question 31

What is hemophilia

Answer 31

Hereditary, lacking in clotting. Can’t make scabs.

Question 32

What is Plasma

Answer 32

90% water, rest is digested food and salt, wastes, and nutrients

Question 33

Blood types

Answer 33

A,B,AB,O
RH Factor. 15 percent don’t have

Can cause blood to clum and stop flow if take wrong blood type