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Components of the blood

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.
What does blood consist of?
a)
plasma, red blood cells, white blood cells, platelets
b)
hormones, oxygen, nutrients, water
c)
red blood cells
d)
carbon dioxide and minerals
2.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
3.
What part of blood is responsible for carrying wastes, nutrients, and minerals?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
4.
liquid portion of the blood
a)
leukocytes
b)
erthryocytes
c)
plasma
d)
thrombin
5.
molecule that combines with oxygen to transport it
a)
albumin
b)
globulin
c)
haemoglobin
d)
seratonin
6.
What does blood transport?
a)
Nutrients
b)
Oxygen 
c)
Carbon Dioxide
d)
All of the above
7.
_______ is made mostly of water and makes up about 55% of the blood
a)
Plasma
b)
Platelets 
c)
Red blood cells
d)
White blood cells
8.

Haemoglobin is present in ______________________cells.

a)

white blood cells

b)

red blood cells

c)

plasma

d)

platelets

9.

What does B show?

a)

Red blood cell

b)

Platelet

c)

Plasma

d)

White blood cell

10.

Name red pigment that is present in red blood cells.

a)

Haemoglobin

b)

Chlorophyll

c)

Chloroplast

d)

Vacuole

11.
These blood cells are the protectors and help fight off disease.
a)
Red blood cells
b)
White blood cells
c)
Plasma
d)
Platelets 
12.
This part of blood helps it clot, when you get cut.
a)
Red blood cells
b)
Plasma
c)
Platelets
d)
White blood cells
13.

What is the function (job) of the platelets?

a)

To form clots (i.e. scabs) when you have cuts and grazes.

b)

To transport oxygen to the muscles

c)

To carry dissolved sugars.

d)

To produce antibodies

14.
Which of these is not a function of the blood?
a)
Deliver oxygen
b)
Remove waste
c)
Help protect against infection
d)
Send messages to nerves
15.

Choose the characteristics of capillaries.

a)

Have very thick, strong, elastic walls.

b)

Have thin walls, made up of only

one layer of cells.

c)

Have thinner walls, large space inside the vessels.