circulatory system

Multiple Choice

Why is blood circulation important for the human body?

• It helps transport nutrients and oxygen to cells

• It helps in digestion of food

• It helps in the movement of bones

• It helps in the production of hormones

Multiple Choice

What are the main components of blood?

• Red blood cells, white blood cells, platelets, plasma

• Red blood cells, plasma, water, glucose

• White blood cells, plasma, oxygen, urea

• Platelets, plasma, carbon dioxide, hormones

Open Ended

Explain the role of plasma in the transport of substances in the body.

Multiple Choice

Which of the following statements about blood cells is correct?

• Red blood cells have no nucleus, white blood cells contain a nucleus, platelets have no nucleus

• Red blood cells contain a nucleus, white blood cells have no nucleus, platelets have a nucleus

• Red blood cells and platelets both contain nuclei, white blood cells do not

• All blood cells contain a nucleus

Fill in the Blank

The function of red blood cells is to ___ oxygen.

Multiple Select

Which of the following are functions of white blood cells?

• Fight disease

• Produce antibodies

• Transport oxygen

• Gobble up harmful bacteria and viruses

Multiple Choice

What is the main function of platelets in the blood?

• To carry oxygen

• To fight infection

• To form blood clots

• To transport nutrients

Open Ended

Explain how white blood cells help protect the body from infection.

Multiple Select

Which of the following are functions of blood components?

• Red blood cells transport oxygen

• White blood cells help form clots

• Platelets fight infection

• Plasma transports dissolved substances

Open Ended

Describe the location and size of the human heart.

Fill in the Blank

The heart is made of ___ muscle.

Multiple Choice

Which chambers are found in the human heart?

• Right Atrium

• Left Atrium

• Right Ventricle

• All of the above

Fill in the Blank

The left side of the heart pumps blood to the rest of your ___.

Multiple Choice

What is the main function of the right side of the heart?

• It pumps blood to the lungs

• It pumps blood to the rest of the body

• It receives oxygenated blood from the lungs

• It filters waste from the blood

Open Ended

Explain why the heart needs to have thick muscular walls.

Multiple Select

Which of the following are chambers of the heart?

• Right atrium

• Left ventricle

• Pulmonary artery

• Aorta

Open Ended

Describe the pathway of blood through the heart, starting from the right atrium.

Multiple Choice

Which structure prevents the backflow of blood in the heart?

• Valve

• Aorta

• Septum

• Pulmonary artery

Multiple Choice

Which chamber of the heart pumps blood to the lungs?

• Right ventricle

• Left ventricle

• Right atrium

• Left atrium

Multiple Select

Which of the following vessels carry deoxygenated blood?

• Vena cava

• Pulmonary artery

• Aorta

• Pulmonary vein

Multiple Choice

Which type of blood vessel allows materials to pass in and out of the bloodstream?

• Capillaries

• Arteries

• Veins

• Aorta

Fill in the Blank

Arteries carry blood ___ from the heart.

Open Ended

Explain why veins have valves but arteries do not.

Open Ended

How does understanding the composition of blood help us appreciate the function of the circulatory system?