Podcast
Questions and Answers
The bottom of the heart is fused to the diaphragm by parts of the ______, which is a serous membrane
The bottom of the heart is fused to the diaphragm by parts of the ______, which is a serous membrane
pericardium
The heart's movements would otherwise create friction with surrounding organs, such as the ______
The heart's movements would otherwise create friction with surrounding organs, such as the ______
lungs
The heart has four chambers, divided into atria and ______
The heart has four chambers, divided into atria and ______
ventricles
The walls of the ventricles are significantly thicker than the walls of the ______
The walls of the ventricles are significantly thicker than the walls of the ______
Signup and view all the answers
The atria receive blood from the vessels, and the ventricles pump blood from the ______
The atria receive blood from the vessels, and the ventricles pump blood from the ______
Signup and view all the answers
The ______ is the thickest layer of cardiac muscle tissue, found in the middle of the heart wall.
The ______ is the thickest layer of cardiac muscle tissue, found in the middle of the heart wall.
Signup and view all the answers
The ______ is the inside lining of the heart, and is an arrangement of simple squamous epithelial tissue.
The ______ is the inside lining of the heart, and is an arrangement of simple squamous epithelial tissue.
Signup and view all the answers
The ______ forms the top layer of the heart and is also formed from simple squamous epithelial tissue.
The ______ forms the top layer of the heart and is also formed from simple squamous epithelial tissue.
Signup and view all the answers
The ______ valves open when ventricular pressure is greater than arterial pressure and close when the ventricles relax and stop contracting.
The ______ valves open when ventricular pressure is greater than arterial pressure and close when the ventricles relax and stop contracting.
Signup and view all the answers
The ______ is a 'sac' that sits around the heart and helps to ensure that the heart stays in position within the mediastinum.
The ______ is a 'sac' that sits around the heart and helps to ensure that the heart stays in position within the mediastinum.
Signup and view all the answers
The atrioventricular valves are flops of ______ tissue that separate the atrium and ventricle on each side of the heart.
The atrioventricular valves are flops of ______ tissue that separate the atrium and ventricle on each side of the heart.
Signup and view all the answers
The semilunar valves are thicker ______ tissues that separate the ventricles from the arteries.
The semilunar valves are thicker ______ tissues that separate the ventricles from the arteries.
Signup and view all the answers
The AV valve on the left side of the heart has two flaps (cusps), so it is referred to as the ______ or mitral valve.
The AV valve on the left side of the heart has two flaps (cusps), so it is referred to as the ______ or mitral valve.
Signup and view all the answers
The valve on the right side of the heart is the ______ valve.
The valve on the right side of the heart is the ______ valve.
Signup and view all the answers
The heart's movements would otherwise create friction with surrounding organs, such as the ______.
The heart's movements would otherwise create friction with surrounding organs, such as the ______.
Signup and view all the answers
The ______ pericardium is the layer that is directly adhered to the heart.
The ______ pericardium is the layer that is directly adhered to the heart.
Signup and view all the answers
The ______ pericardium is the layer that is touching the body wall.
The ______ pericardium is the layer that is touching the body wall.
Signup and view all the answers
The ______ pericardium helps the heart to stay in place in the mediastinum.
The ______ pericardium helps the heart to stay in place in the mediastinum.
Signup and view all the answers
Blood flows from the ______ to the ventricles with the help of gravity.
Blood flows from the ______ to the ventricles with the help of gravity.
Signup and view all the answers
The ventricles must pump blood out of the heart and over ______ distances.
The ventricles must pump blood out of the heart and over ______ distances.
Signup and view all the answers
