Human Heart Quiz

What is the size comparison of the human heart?

• Size of a tennis ball

• Size of a fist

• Size of a football

• Size of a golf ball

Where is the apex of the heart located?

• Towards the right shoulder

• Towards the left hip

• Towards the right hip

• Towards the left shoulder

How many times does the heart contract per minute?

• 100 times

• 50 times

• 72 times

• 85 times

Approximately how much blood does the heart pump in one year?

• Enough to fill a standard bathtub

• Enough to fill a small pond

• Enough to fill an Olympic sized swimming pool

• Enough to fill a lake

What is the primary function of the fibrous pericardium?

• It produces lubricating fluid.

• It anchors the heart in place and provides protection.

• It collects tissues.

• It reduces the heart's workload.

What does the serous pericardium do in the pericardial cavity?

• It anchors the heart in place.

• It collects blood.

• It produces lubricating fluid to reduce friction of the heart against other tissues.

• It protects the heart from infections.

Which of the following is NOT a layer of the pericardium?

• Visceral pericardium

• Parietal pericardium

• Cardiac muscle

• Fibrous pericardium

What is the outermost layer of the heart called?

• Myocardium

• Endocardium

• Epicardium

• Pericardium

Which layer of the heart is responsible for the contractions that pump blood?

• Epicardium

• Endocardium

• Myocardium

• Pericardium

What is the function of the endocardium in the heart?

• Protects the heart by enclosing it

• Provides twisting bundles of muscle for contractions

• Lines the heart chambers

• Stores blood during the pumping phase