Science test unit 4 lesson 3

Question 1

plasma

Answer 1

liquid part of the blood; also it carries away most of the carbon dioxide.

Question 2

Red blood cells

Answer 2

produced in bone marrow made mostly of hemoglobin

Question 3

hemoglobin

Answer 3

a protein that contains iron and binds chemically to oxygen molecules

Question 4

white blood cells

Answer 4

the body’s disease fighters some recognize disease causing organisms

Question 5

platelets

Answer 5

cell fragments that help blood clots when blood vessel is cut they collect and stick to the vessel

Question 6

types of blood

Answer 6

a,ab,b,o

Question 7

blood a

Answer 7

is anti b

Question 8

blood b

Answer 8

is anti a

Question 9

type ab

Answer 9

is usable with any blood type

Question 10

type O

Answer 10

only usable with its own type

Question 11

lymphatic system

Answer 11

returns the fluid to the bloodstream the lymphatic system acts something like rain gutters

Question 12

lymph

Answer 12

consist of water and dissolved materials such as glucose also contains white blood cells has no pump so it moves slowly

Question 13

lymph nodes

Answer 13

filter lymph trapping bacteria and other disease causing microorganisms in the fluid

Question 14

what are the two other types of blood

Answer 14

Rh negative and Rh positive

Question 15

coronary arteries

Answer 15

carry blood to the heart itself

Question 16

diffusion

Answer 16

molecules move from an area of higher concentration to lower

Question 17

blood pressure

Answer 17

the force at which ventricles contract

Question 18

Atherosclerosis

Answer 18

a condition in which an artery wall thickens as a result of the buildup of fatty material

Question 19

heart attack

Answer 19

occurs when blood flow to part of the heart is blocked causing cells to die

Question 20

hypertension (silent killer)

Answer 20

is a disease when a persons blood pressure is higher than normal causing the heart to work hard

Question 21

Circulate

Answer 21

Move in a circle and return to the same point

Question 22

Transport

Answer 22

To carry something from one place to another

Question 23

Glucose

Answer 23

Is a sugar that is the major source of energy for the body’s cells

Question 24

Cardiovascular system

Answer 24

Is made up of the heart blood vessels and blood

Question 25

Heart

Answer 25

Is a hollow muscular organ and blood without you heart you and your blood would not go anywhere

Question 26

Atrium

Answer 26

Receives blood that comes into the heart

Question 27

Ventricle

Answer 27

Pumps blood out of the heart

Question 28

Pacemaker

Answer 28

A group of cells in the right atrium sends out signals that make the heart muscle contract

Question 29

Valve

Answer 29

Is a flap tissue that prevents blood from flowing backwards

Question 30

Arteries

Answer 30

Carry blood away from the heart

Question 31

Aorta

Answer 31

The largest artery in the body from arteries blood flows into tiny vessels

Question 32

Capillaries

Answer 32

Substances are exchanged from the blood and blood cells

Question 33

Veins

Answer 33

Carry blood back into the heart

Question 34

Haima

Answer 34

blood Greek

Question 35

Kardia

Answer 35

heart greek

Question 36

septum

Answer 36

separates the left and right side of the heart