THE CIRCULATORY SYSTEM

Multiple Choice

How big is the heart?

• Size of a golfball

• Size of your fist

• Size of your eyeball

• Size of your head

Multiple Select

location of most of the exchanges of blood

• arteries

• capillaries

• veins

Multiple Choice

4?

• Tricuspid Valve
• Mitrial Valve
• Aortic Valve
• Pulmonary Valve

Multiple Choice

Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

Multiple Choice

Identify the circled valve

• Tricuspid
• Mitral
• Pulmonary
• Aortic

Multiple Choice

Which vessel mainly transport deoxygenated blood?

• Artery

• Aorta

• Capillary

• Vein

Multiple Choice

Large blood vessels that carry blood away from the heart are called:

• arteries
• capillaries
• veins
• venae cavae

Multiple Choice

What part of the heart divides the ventricles into two sides?

• ventricular separator

• divider

• Septum

Multiple Choice

The main artery in the heart is the

• aorta

• vena cava

• pulmonary artery

• pulmonary flow

Multiple Choice

What organ does the blood flow to in order to pick up Oxygen?

• liver

• stomach

• brain

• lung

Multiple Choice

Name this part.

• Right atrium
• Left ventricle
• Right ventricle
• Left atrium

Multiple Choice

Name this part.

• Right ventricle
• Pulmonary artery
• Left ventricle
• Right atrium

Multiple Choice

Blood in the pulmonary veins:

• Oxygenated

• Deoxygenated

Multiple Choice

De-oxygenated blood flows into what atrium?

• Left

• Bottom

• Right

• Top

Multiple Choice

A flap of tissue that prevents blood from flowing backward

• Aorta
• Atrium
• Septum
• Valve

Multiple Choice

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

Multiple Choice

Which side of the heart pumps oxygen-rich blood to the rest of the body?

• Right
• Left

Multiple Choice

The heart is a ________________.

• limb.

• muscle.

• nerve.

• bone.

Multiple Choice

What part of the heart delivers unoxygenated blood to the lungs?

• Pulmonary artery

• Pulmonary Vein

• Aorta

• Left Ventricle

Multiple Choice

The blood enters on the left side of the heart through the ______________ and enters the left atrium. It then passes through the _____________to enter the left ventricle.*

• pulmonary artery, mitral valve

• pulmonary vein, tricuspid valve

• pulmonary artery, aortic valve

• . pulmonary vein, mitral valve

Multiple Choice

Blood flows in the following sequence in the heart: Superior vena cava/Inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonic valve, pulmonary artery, lungs, pulmonary vein, left atrium, bicuspid valve, left ventricle, aortic valve, aorta

• True

• False

Multiple Choice

Blood carries ..... from your lungs to your body cells/tissues.

• carbon dioxide

• oxygen

• water

• urea

Multiple Choice

Which structure is the pacemaker of the heart?

• sinoatrial (SA) node

• right ventricle

• right atrium

• atrialventricular (AV) node

Multiple Choice

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

Multiple Choice

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

Multiple Choice

What is the function (job) of the platelets?

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

• To transport oxygen to the muscles

• To carry dissolved sugars.

• To produce antibodies

Multiple Choice

What is the function (job) of the white blood cells?

• To transport oxygen around the body.

• To carry dissolved sugars.

• To clot and cover wounds like cuts and grazes.

• To release antibodies to help destroy infections.

Multiple Choice

What is the function (job) of the plasma?

• To release antibodies to fight infections.

• To transport oxygen around the body.

• To carry dissolved nutrients and sugars.

• To transport oxygen around the body.

Multiple Choice

What is the function of hemoglobin?

• to carry iron
• to carry wastes
• to carry oxygen
• to produce oxygen

Multiple Choice

Which blood cells that help you stop bleeding if you get a cut?

• Erythrocytes

• Leukocytes

• Plasma

• Platelets

Multiple Choice

What is the name of the protein that is released by platelets in response to an injury?

• hemoglobin

• glucose

• fibrin

• carbon dioxide