Human Circulatory System

Multiple Choice

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Multiple Choice

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory

• digestive

• muscular

• skeletal

Multiple Choice

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

Multiple Choice

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

Multiple Choice

About how big is the human heart?

• the size of your nose

• the size of your foot

• the size of your fist

• the size of your ear

Multiple Choice

What is the function of the blood vessel labelled D?

• To transport blood from the heart to the lungs

• To transport blood from the heart to the rest of the body.

• To transport blood from the rest of the body to the heart.

• To transport blood from the lungs to the heart.

Multiple Choice

Identify the blood vessel labelled B.

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

Multiple Choice

What is the function of the blood vessel labelled A?

• To transport blood from the heart to the lungs.

• To transport blood from the heart to the rest of the body.

• To transport blood from the lungs to the heart.

• To transport blood from the rest of the body to the heart.

Multiple Choice

The part of the blood that carries oxygen is called ___________. (Remember we can't live without our blood-line)

• red blood cells

• white blood cells

Multiple Choice

Identify the part labelled C.

• Left atrium

• Left ventricle

• Right atrium

• Right ventricle

Multiple Choice

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

Multiple Choice

What is the function of median septum?

• To prevent back flow of blood.

• To help clotting of blood to close open wounds.

• To transport useful substances and waste materials.

• To separate oxygenated blood from deoxygenated blood.

Multiple Choice

Blood flows out of the left ventricle through which of the following blood vessels?

• Aorta

• Vena cava

• Pulmonary artery

• Pulmonary vein

Multiple Choice

Blood flows from the vena cava into which chamber of the heart?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

Multiple Choice

Identify the blood vessel labelled A.

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

Multiple Choice

Which chamber of the heart has the thicker muscular walls?

• Left atrium

• Left ventricle

• Right atrium

• Right ventricle

Multiple Choice

Which side of the heart has oxygenated blood?

• Top

• Bottom

• Left

• Right

Multiple Choice

Which best describes the relationship between the muscular system and the circulatory system? 

• The circulatory system captures carbon dioxide from the air for muscle energy.
• The circulatory system produces red blood cells to bring oxygen to the muscles
• The circulatory system provides a framework for muscle movement
• The circulatory system delivers oxygen for muscle energy

Multiple Choice

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Multiple Choice

In this type of system blood passes through the heart twice in one complete circuit.

• Single Circulatory System

• Double Circulatory System

• Pulmonary System

• Double Pulmonary System

Multiple Choice

As the blood reaches the lungs, what is removed from the blood?

• oxygen

• carbon dioxide

• red blood cells

• white blood cells

Multiple Choice

How does the heart work?

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

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

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

Multiple Choice

Which kind of blood is carried by the pulmonary veins?

• Oxygenated

• Deoxygenated

Multiple Choice

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

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

• If a person exercises, then their heart rate will increase

• If a person exercises, then their heart rate will decrease

• Person exercising and heart rate are not related

Multiple Choice

Which vessel mainly transport deoxygenated blood?

• Artery

• Aorta

• Capillary

• Vein

Multiple Choice

Veins carry oxygen poor blood back to the heart.

• False

• True

Multiple Choice

Which of the following vessels has thin muscle wall and a large lumen?

• Vein

• Artery

• Capillary

• Aorta

Multiple Choice

Which of the following carries blood away from heart?

• Vein

• Artery

• Capillary

• Valve

Multiple Choice

All arteries carry oxygenated blood.

• True

• False

Multiple Choice

Which blood vessel carries blood from the lungs to the heart?

• Aorta

• Vena cava

• Pulmonary vein

• Pulmonary artery

Multiple Choice

Which of the following has walls that are one cell thick and is a site for diffusion?

• Vein

• Artery

• Capillary

• Aorta

Multiple Choice

Arteries carry oxygen rich blood away from the heart.

• True

• False

Multiple Choice

___________ carry blood at high pressure and ___________ carry blood at low pressure.

• Arteries; veins

• Capillaries; veins

• Veins; arteries

• Veins; capillaries

Multiple Choice

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

Multiple Choice

Which of the following is NOT true about plasma?

• Consist mainly of water

• Pale yellow liquid

• Transport blood

• Transport waste materials