BIOLOGY- ORGANS- THE HEART

is the right or left part of the heat oxygenated

left is oxygenated, right non-oxygenated ( LORD)

what are the 4 chambers of the heart

• right atrium

• left atrium

• right ventricle

• left ventricle

what are the 4 blood vessels of the heart

• vena cava

• pulmonary veins

• pulmonary arteries

• Aorta

right atrium

#C this is where non-oxygenated blood is taken back from the body ad sent to the right ventricle

left atrium

#I this is where oxygenated blood from the lungs comes to the heart

right ventricle

#F this is where non- oxygenated blood is send to the lungs to get oxygen

left ventricle

#G this is where the heart pumps the oxygenated blood around the body

vena cava

#B where the blood from the body comes back to the heart

pulmonary veins

#J oxygenated blood from the lungs is brought to the heart

pulmonary artery

#A this is where non-oxygenated blood is pumped to the lungs

Aorta

#K this is where oxygenated blood is pumped around the body

valve

#D & H this stops the back flow of the blood

what is a pacemaker

a group of cells that control the natural resting heart rate.