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The heart, blood and the cardiac cycle

Total questions: 25

Worksheet time: 17mins

Name
Class
Date
1.

The heart pumps the blood around your body through a process called

a)

Respiration

b)

Digestion

c)

Circulation

d)

Excretion

2.

Blood vessels run from the heart to the ___________, around the body and back to the heart.

a)

Lungs

b)

Stomach

c)

Liver

d)

Brain

3.

Which side of the heart pumps blood without oxygen to the lungs?

a)

Left

b)

Right

4.

Which side of the heart pumps blood that contains oxygen?

a)

Left

b)

Right

5.

Your arteries supply blood

a)

With oxygen

b)

Without oxygen

6.

Your veins supply blood

a)

With oxygen

b)

Without oxygen

7.

______________ are the network of fine blood vessels.

a)

Arteries

b)

Veins

c)

Capillaries

8.

The blood supplies

a)

Food and oxygen

b)

Nitrogen and oxygen

c)

Food and nitrogen

9.
The main purpose of Red Blood Cells is to 
a)
carry gases, wastes, and nutrients
b)
attack and destroy pathogens
c)
clot the blood
d)
digest food
10.
What part of blood carries hemoglobin?
a)
Red blood cells
b)
Plasma
c)
Platlets
d)
White blood cells
11.
Another name for white blood cells is
a)
erythrocytes
b)
plasmocytes
c)
leukocytes
d)
thrombocytes
12.

The shape of the RBC allows for a greater surface area so the cell can

a)

fit through capillaries easily

b)

exchange gasses more quickly

c)

hold additional hemoglobin

d)

reproduce quicker

13.

Where does hematopoiesis take place, producing new RBCs?

a)

red bone marrow

b)

yellow bone marrow

c)

synovial membrane

d)

articular cartilage

14.

Red blood cells are

a)

thrombocytes

b)

neutrophils

c)

monocytes

d)

erthryocytes

15.

The liquid portion of the blood is

a)

leukocytes

b)

erthryocytes

c)

plasma

d)

thrombin

16.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
17.

Carries the blood from the ventricle to the body

a)

Aorta

b)

Atrium

c)

Valve

d)

Septum

18.

Diastole refers to what action?

a)

Filling

b)

Pumping

19.

Systole refers to what action?

a)

Filing

b)

Pumping

20.

The Vena Cava delivers blood to the heart into the.....

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

21.
Why are the walls of the left ventricle thicker than that of the right ventricle?
a)
The left ventricle must force blood into all the capillaries of the lungs 
b)
the left ventricle doesn't skip leg day
c)
This is false, the walls of the right ventricle are thicker
d)
Blood from the left ventricle is pumped throught the entire body 
22.
What is the definition of the Cardiac Cycle?
a)
the contraction of the atria
b)
the sequence of events that occur during one complete heartbeat
c)
the contraction and relaxation of the ventricles
d)
the circulation of blood in the heart
23.
During the systole phase of the cardiac cycle, the ventricles....
a)
Contract
b)
Relax
24.

The chamber that receives oxygenated blood from the lungs

a)

Right Ventricle

b)

Left Ventricle

c)

Right Atrium

d)

Left Atrium

25.

The chamber that pumps deoxygenated blood to the lungs

a)

Right Ventricle

b)

Right Atrium

c)

Left Ventricle

d)

Left Atrium

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