Structures

Question 1

Heart

Answer 1

Pump that maintains blood flow throughout the body, apex is lower tip

Question 2

Pericardium

Answer 2

Double-walled membranous sac that encloses the heart

Question 3

Parietal pericardium

Answer 3

Fibrous sac that surrounds and protects the heart

Question 4

Pericardial fluid

Answer 4

Lubricant to prevent friction as the heart beats

Question 5

Visceral pericardium

Answer 5

Inner layer of the pericardium that forms the outer layer of the heart