Enter Title

1

100

Which organ is responsible for pumping blood throughout  the body?

HEART 

200

Which organ system provides support and protection to the body?

skeletal system 

300

true/false (The heart is a muscular organ)

true 

400

What are the two main types of blood vessels?

Arteries and veins

500

What are the cells that help fight infection?

White blood cells.

2

100

• What is a group of cells with similar structure and function called?

tissue 

200

• What is the function of the skeletal system ?

to provide support and protection 

300

Smallest blood vessel

capillary 

400

How many chambers does the human heart have?

4

500

What type of muscle makes up the heart?

cardiac muscle 

3

100

• How many types of muscles are there in the human body?
• 2              b- 3                 c- 4          d- 5

3

200

• What are the tiny blood vessels that connect arteries to veins?

capillaries

300

Smooth muscle

(voluntary, involuntary ) 

involuntary 

400

What is the function of platelets?

to help blood clot

500

How do the walls of capillaries compare to the walls of arteries and veins?

capillaries have very thin walls

4

100

Which organ is responsible for the exchange of oxygen and carbon dioxide

lungs

200

• Which type of blood vessel carries blood away from the heart?
• Veins           b- arteries          c- capillaries       d- lymphatic vessel

arteries 

300

• What is the direction of blood flow in veins?
• a- Away from the heart      b- towards the heart    c- both ways     d- none of the above

towards the heart 

400

What is the main function of red blood cells?

To carry oxygen.

500

What is the name of the body system that carries blood throughout the body?

circulatory system 

5

100

• What are the tiny air sacs in the lungs where gas exchange occurs?

alveoli 

200

• Which part of the skeleton protects the brain?
• Rib cage     b- spine        c- skull           d- pelvis

skull

300

• Different types of tissues work together to form an -------

organs 

400

What important gas do our cells need to function?

oxygen 

500

What are the three main components of blood?

Red blood cells, white blood cells, and platelets