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Worksheets

human circulatory system

Total questions: 56

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

Blood is poured into the right atrium through

a)

vena cava

b)

Pulmonary vein

c)

aorta

d)

Pulmonary artery

2.

Left atrium receives oxygenated blood through

a)

Coronary artery

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

3.

In human beings, the duration of cardiac cycle is

a)

0.08 seconds

b)

0.5 seconds

c)

0.8 seconds

d)

8.0 seconds

4.

Which of the following carries deoxygenated blood?

a)

pulmonary vein

b)

pulmonary artery

c)

aorta

d)

coronary artery

5.

The heart has a left side and a right side that are separated by a__________

a)

valve

b)

thick wall

c)

ventricle

d)

vein

6.

The right atrium receives____________ blood from the ________.

a)

oxygenated, body

b)

deoxygenated, body

c)

oxygenated, lungs

d)

deoxygenated, lungs

7.

__________are structures that close to prevent blood from going backwards.

a)

ventricles

b)

valves

c)

veins

d)

arteries

8.

in the heart, Each side has an upper chamber ( Called _____

and a lower chamber ( called_______).

a)

atrium, ventricle

b)

artery, vein

c)

atrium, vein

d)

ventricle, atrium

9.

________

is the blood vessel that carries blood away from the heart.

a)

atrium

b)

vein

c)

artery

d)

valve

10.

__________

is a tiny blood vessel that allows an exchange between the blood and cells in other tissues.

a)

artery

b)

atrium

c)

capillary

d)

vein

11.

The circulation of blood between heart

and the rest of the body.

a)

pulmanory circulation

b)

blood circulation

c)

Systemic circulation

12.

the oxygenated blood leaves the heart through the _______to the body.

a)

superior vene cava

b)

inferior vena cava

c)

aorta

d)

pulmanory vein

13.

When the atria contract, blood is squeezed into _________.

a)

the ventricles

b)

the valves

c)

the veins

d)

the arteries

14.

There are three types of vessels:

a)

only capillaries

b)

Atia, veins and capillaries

c)

Arteries, veins and capillaries

d)

Arteries, valves and capillaries

15.

What is the function of the circulatory system?

a)

To provide nutrients to the whole body

b)

To maintain homeostasis for the body

c)

To fight off infection or disease

d)

To transport nutrients, oxygen, and blood throughout the body

16.

How does the heart work?

a)

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

b)

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

c)

It pumps blood around the rest of the body, back to the heart and then to the lungs,

17.

What part of the heart is circled in yellow?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

18.

What part of the heart is circled in yellow?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

19.

What part of the heart is circled in yellow?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

20.

What part of the heart is circled in yellow?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

21.

The arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

22.

What do we call the tiny tubes that return blood back to the heart?

a)

arteries

b)

chambers

c)

veins

d)

ventricles

23.

Your blood is made up of which of the following...

a)

plasma, red blood cells, blue blood cells

b)

white and red blood cells

c)

plasma and platelets

d)

plasma, red blood cells, white blood cells, and platelets

24.

What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

25.

What part of blood is responsible for fighting infections?

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

26.

The five main parts of the circulatory system are?

a)

heart, blood, nutrients, flakes, skin

b)

heart, blood, valves, crust, mantle

c)

heart, blood, veins, arteries, capillaries

d)

heart, blood, cells, skin, nerves

27.

What protects the body against blood loss?

a)

Clots formed by clusters of leukocytes.

b)

Clots formed by platelets and blood proteins.

c)

Masses of erythrocytes and erythrocyte fragments.

d)

Constriction of capillaries in the damaged area.

28.

The most abundant compound in blood plasma, accounting

for about 92% of the total volume, is:

a)

Oxygen

b)

Gamma-globulin

c)

Sodium chloride

d)

Water

29.

What ensures the unidirectional flow of blood through the

heart?

a)

Constant pressure generated by the heart contractions.

b)

Valves within the heart that prevent backflow of blood.

c)

Squeezing action of smooth muscle tissue in arterial walls.

d)

Continuous osmotic outflow of plasma from capillaries.

30.

The ____________ carries blood throughout the body;

the ____________ carries blood only to and from the

lungs.

a)

systemic circuit; pulmonary circuit

b)

pulmonary circuit; systemic circuit

c)

venous circulation; arterial circulation

d)

arterial circulation; venous circulation

31.

Which vessels have thin walls and small diameters that facilitate rapid diffusion of gases and nutrients between blood and body tissues?

a)

Capillaries.

b)

Arterioles.

c)

Venules.

d)

All of the above.

32.

To which chamber of the heart does an oxygen-rich blood from the lung return?

a)

left atrium

b)

left ventricle

c)

right atrium

d)

right ventricle

33.

Which statement is correct concerning the heart?

a)

Left ventricle pumps blood to the lungs.

b)

Right ventricle pumps blood to the lungs.

c)

Left ventricle pumps to the body including the lungs.

d)

Right ventricle pumps blood to the body excluding the lungs.

34.

Which of the following statements is correct?

a)

Arteries carry only oxygenated blood.

b)

Veins carry only deoxygenated blood.

c)

Veins and arteries carry both oxygenated and deoxygenated

d)

both a and b

35.

Running is an activity that causes the cells in the muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells?

a)

digestive

b)

nervous

c)

circulatory

d)

endocrine

36.

State one reason why blood at location B contains more oxygen than blood at location A.

a)

because blood at location A goes to the lungs

b)

because blood at location A comes from the lungs

c)

because blood at location B comes from the lungs

d)

because blood at location B goes to the lungs

37.

State the general relationship between exercise and heart rate in humans.

a)

If a person exercises, then their heart rate will not change

b)

If a person exercises, then their heart rate will increase

c)

If a person exercises, then their heart rate will decrease

d)

Person exercising and heart rate are not related

38.

Identify one way to determine a person's heart rates.

a)

put a hand on the heart to measure pulse

b)

put a thumb on the wrist to measure pulse

c)

put a thumb on the neck to measure pulse

d)

put two fingers on the wrist to measure pulse

39.
What is the largest artery in the human body called?
a)
Superior Vena Cava
b)
Aorta
c)
Inferior Vena Cava
d)
Pulmonary Artery
40.
How many valves are in the heart?
a)
3
b)
4
c)
5
d)
6
41.
Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas?
a)
nitrogen
b)
carbon dioxide
c)
oxygen
d)
helium
42.
The ___________ is the thick muscular wall that seperates the two sides of the heart.
a)
atria
b)
ventricles
c)
valve
d)
septum
43.

IN A RESTING ADULT HUMAN BEING, HEARTBEAT VARIES FROM __________ BEATS PER MINUTE.

a)

50 - 55

b)

60 - 65

c)

70 - 75

d)

80 - 85

44.

BLOOD FLOWS IN ________ UNDER HIGH PRESSURE.

a)

VEIN

b)

ARTERIES

c)

RBCs

d)

WBCs

45.

The heart is made up of what kind of muscle?

a)

smooth

b)

cardiac

c)

skeletal

d)

voluntary

46.

Which of these component of blood that is not cell?

a)

Leucocytes

b)

Thrombocyte

c)

Blood plasma

d)

Erithrocyte

47.

Which of these following is the function of white blood cell?

a)

Transport oxygen

b)

Producing antibody

c)

Blood clotting

d)

Transport hormone

48.

Structure of the red blood cell is special, it lack of nucleus. this condition provide ... .

a)

more space for hemoglobin

b)

more space for cytoplasm

c)

less space for hemoglobin

d)

less space for cytoplasm

49.

Blood vessel that has this following characteristics:

thick and elastic wall narrow lumen high pressure

a)

artery

b)

vein

c)

cappilary

d)

valve

50.

which of this following is the characteristic of vein

a)

have thicker wall

b)

composed of one layer of cells

c)

have many valves to keep blood flowing in one direction

d)

we can feel the pulse

51.

The circulatory systems are...

a)

open

b)

closed

c)

intermediate

52.

A transport system is complete

a)

when there is no mixing of arterial and venous blood in the heart.

b)

when it consists of two atria and one ventricle.

c)

when there is mixing of arterial and venous blood in the heart.

d)

when it consists in two atria and two ventricles.

53.

What is the name for the circulatory system that moves blood to and from the lungs?

a)

Pulmonary

b)

Systemic

c)

Hemolymph

d)

Cardiovascular

54.

The two types of circulatory systems are...

a)

open and closed

b)

open and shut

c)

pulmonary and closed

d)

pulmonary and systemic

55.

Humans have a(n)

a)

open circulatory system

b)

closed circulatory system

56.

Which circulatory system is more efficient?

a)

Closed circulatory system

b)

Open circulatory system

c)

They are both the same efficiency