Valves
What is the name of the entrance valves?
atrioventricular valves
What is the fibrous pericardium?
The sac’s outermost and heaviest layer
How many chambers are in the heart?
Four
What are viens?
Blood vessels that carry blood back to the heart
What is the name of exit valves?
Semilunar valves
What forms the inner layer of the pericardium?
A serous membrane
What has the thinnest wall and weakest contractions?
atria
What are arteries?
The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body
Where is the aortic valve located?
left ventricle and aorta.
What two layers of the pericardium are typically very close together?
the visceral and parietal layers
What are the chambers separated by?
Septum
What are capillaries?
A capillary is any of the fine branching blood vessels that form a network between the arterioles and venules.