The Heart's Structure and Function

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What is the primary function of the heart?

To pump deoxygenated blood to the body

To pump both oxygenated and deoxygenated blood to and from the lungs and body (correct)

To pump oxygenated blood to the lungs

To store oxygenated blood for the body

Which valve is located between the right ventricle and pulmonary artery?

Aortic semilunar valve

Tricuspid valve

Pulmonary semilunar valve (correct)

Biscuspid valve

What is the term for the hardening and narrowing of the arteries due to plaque buildup?

Heart failure

Atherosclerosis (correct)

Arteritis

Cardiovascular disease

What is the name of the blood vessel that brings oxygenated blood from the lungs to the heart?

Pulmonary vein Signup and view all the answers

What is the name of the structure that separates the heart into right and left?

Septum Signup and view all the answers

What is the name of the condition that occurs when plaque builds up in the coronary arteries?

Coronary heart disease Signup and view all the answers

What happens when the left side of the heart becomes weak?

Blood will back up in the lungs Signup and view all the answers

What is the primary function of the lymphatic system?

To act as a drainage system for interstitial fluid Signup and view all the answers

What is the protein in red blood cells that contains an iron atom that binds to oxygen?

Hemoglobin Signup and view all the answers

What is the term used to describe a lower than normal number of red blood cells?

Anemia Signup and view all the answers

What determines an individual's blood type according to the ABO blood group system?

The presence or absence of A and B antigens on red blood cells Signup and view all the answers

What is the consequence of receiving a blood transfusion with the wrong blood type?

The blood cells will react with the immune system and clump together Signup and view all the answers

What is the main function of the lymphatic system in relation to nutrients?

To facilitate the delivery of nutrients to cells Signup and view all the answers

What is the term for the process of removing excess interstitial fluid from the body?

Downhill movement Signup and view all the answers

What is the name of the mixture of lymph and fatty cells that is collected within special lymphatic vessels called lacteals?

Chyle Signup and view all the answers

What is the primary function of capillaries?

To facilitate the exchange of gases and nutrients between the blood and surrounding tissues Signup and view all the answers

What is the term for the fluid that originates as an interstitial fluid within the body's tissues?

Lymph Signup and view all the answers

What is the primary function of lymph nodes?

To filter out bacteria and other microorganisms from the bloodstream Signup and view all the answers

What is the term for the tiny, porous, and leaky tubules that collect lymph from the body's tissues?

Lymphatic capillaries Signup and view all the answers

What is the term for the specialized lymph that transports fats from the intestine to the bloodstream?