Heart, Arteries, & Veins

How large is the heart?

• The size of a fist

• The size of a football

• The size of a basketball

• The size of a tennis ball

Where is the heart located?

• In the chest cavity, between the lungs

• In the abdominal cavity, near the stomach

• In the cranial cavity, inside the skull

• In the pelvic cavity, near the bladder

The pericardium is:

• a muscle in the heart

• a membrane surrounding the heart

• a chamber of the heart

• a valve in the heart

The two upper chambers are called:

• Atria

• Ventricles

• Septum

• Valves

The two lower chambers are called:

• Atria

• Ventricles

• Septum

• Valves

The coronary sinus is responsible for:

• pumping oxygenated blood to the body

• draining deoxygenated blood from the heart muscle

• supplying oxygenated blood to the heart muscle

• regulating the heart's electrical impulses

The name of the only artery that carries unoxygenated blood is:

• Pulmonary artery

• Aorta

• Coronary artery

• Carotid artery

What does it mean by saying that the heart beats involuntarily?

• It means the heart beats without conscious control.

• It means the heart beats only when we think about it.

• It means the heart stops beating when we sleep.

• It means the heart beats only during exercise.

What increases the heartbeat if they detect a lack of oxygen or an increase of carbon dioxide?

• Lungs

• Brain

• Heart

• Chemoreceptors

The job of the arteries is to:

• carry oxygenated blood away from the heart

• carry deoxygenated blood to the heart

• exchange gases in the lungs

• filter waste from the blood