Cardiovascular System

arteries carry blood _________________ the heart

• away from

• towards

veins carry blood ___________ the heart.

• away from

• towards

what do you call the sac around the heart?

• pericardium

• endometrium

• epiglottis

• valves

the heart is....

• fist sized, behind the sternum

• 6-8 inches, behind the occipital bone

• 6-8 inches, behind the sternum

• fist sized, behind the occipital bone

the heart is divided in half by the

• septum

• pericardium

• coronary arteries

• aorta

the ______________ of the heart is most muscular

• top

• left side

• right side

select all that apply. what helps bring blood back to the hear?

• contraction of skeletal muscles

• valves

• contraction of diaphragm

• capillaries

blood that moves between the heart and lungs is the ________________________________ circulation

• pulmonary

• systemic

• endocrine

• capillary

blood that moves between the heart and body is ______________________________ circulation

• pulmonary

• systemic

• capillary

• endocrine

atrium are located in the ______________ of the heart

• top half

• bottom half

• right side

• left side