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8 grade- circulatory system [ Muthu]

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Veins are blood vessels containing blood going to the heart

a)

True

b)

False

2.

In the body, the superior vena cava receives blood to the heart from

a)

Head

b)

Neck

c)

Upper Limbs

d)

Chest

3.

In the body, the INFERIOR vena cava receives blood to the heart from

a)

Torso

b)

Organs

c)

Lower Limbs

d)

Head

4.

The first stop of the blood in the heart is the...

a)

Left Ventricle

b)

Left Atrium

c)

Right Atrium

d)

Right Ventricle

5.

The purpose of the valves is to keep the blood flowing in the right direction

a)

True

b)

False

6.

After the blood gets oxygen from the lungs, it goes through the pulmonary veins to the heart's....

a)

Right Atrium

b)

Left Ventricle

c)

Right Ventricle

d)

Left Atrium

7.

After the left atrium, the blood goes through the mitral valve to the...

a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventrical

8.

Lastly, the oxygenated blood goes through the ___________ to the rest of the body.

a)

Aorta

b)

Vena Cava

9.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

10.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
11.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
12.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
13.

thin walled upper heart chamber which receives blood and pump blood to the ventricles.

a)

Atria (Atrium)

b)

Ventricle

c)

Aorta

d)

Lungs

14.

connects arteries to veins, site of exchange for nutrients, waste and oxygen.

a)

Capillaries

b)

Veins

c)

Arteries

d)

Valves

15.

a fluid tissue that helps maintain homeostasis for all cells in the body. Composed of 55% plasma; 45% blood cells

a)

Plasma

b)

Lymph

c)

Blood

d)

Mucus

16.

protein in every red blood cell that carries oxygen.

a)

Saliva

b)

Mucus

c)

Hemoglobin

d)

Goblin

17.

These blood vessels take oxygenated blood to the body cells.

a)

heart

b)

artery

c)

vein

d)

capillary

18.

Cholesterol and plaque builds up on vessel walls and causes heart attack and stroke.

a)

leukemia

b)

heart disease

c)

hemophilia

d)

sickle-cell anemia

19.

A hereditary disease where blood does not clot to stop bleeding.

a)

hemophilia

b)

heart disease

c)

sickle-cell anemia

d)

leukemia

20.

The 3 main functions of the Circulatory System

a)

break down food, remove waste, make blood cells

b)

react to stimuli, grow, adapt

c)

deliver materials, remove waste, and fight infection