Bio 20 Heart

the arrow is pointing to the

• Septum

• apex

• superior vena cava

• inferior vena cava

the 'lubb' sound of the heart is caused by the

• opening of the AV valve

• closing of the AV valve

• opening of the semilunar valve

• closing of the semilunar valve

the 'dubb' sound of the heart is caused by the

• opening of the AV valve

• closing of the AV valve

• opening of the semilunar valve

• closing of the semilunar valve

the pulmonary veins carry blood from the

• heart to lungs

• lungs to heart

• heart to body

• body to heart

the AV valves are found between the

• left and right ventricles

• left pulmonary artery and right ventricle

• right atria and right ventricle

• left and right atria

What happens to blood pressure in the arteries during systole?

• Blood pressure increases

• Blood pressure decreases

• Blood pressure remains constant

• Blood pressure fluctuates irregularly

What happens to the blood pressure in the arteries during diastole?

• Blood pressure increases

• Blood pressure decreases

• Blood pressure remains constant

• Blood pressure fluctuates irregularly

Pulmonary circulation transports blood between the

• heart and heart

• heart and lungs

• heart and body

• body and lungs

Coronary circulation transports blood between the

• heart and heart

• heart and lungs

• heart and body

• body and lungs

Systemic circulation transports blood between the

• heart and heart

• heart and lungs

• heart and body

• body and lungs