Find the circulatory system words below in the grid to the left.

aorta

artery

blood

bright red

capillary

carbon dioxide

circulate

dark red

four chambers

heart

lungs

nutrients

oxygen

pump

red blood cells

transport

valve

vein

water

white blood

cells

Aorta __________which is the largest and strongest-walled blood vessel in the body.

veins smallest blood vessel Pulmonary vein ________ diffuses out of the blood to be exhaled.Left atrium from there, it enters the upper left chamber of the heart called the

______________Pulmonary artery

the lower left chamber of the heart is called ___________.

Right atrium diffuses into the blood to be taken to the body cells for use for cells for use in respiration

valve when the chamber contracts, it sends blood out of the heart through the _____________.

carbon dioxide blood returns to the lungs to the heart through the _____________. Right ventricle blood enters the _________of the heart from the two major veins. oxygen the lower chamber of the heart is called the _________________.Left ventricle blood then passes through a one way _________into the lower

chamber of the heart Capillaries the blood then flows back to the heart through ______ and the cycle

begins again.

Red Blood Cells

White Blood Cells

Platelets Plasma

Scientific Name

Diagrams and Description (structure/appearance?)

Function(what is their job?)

Numbers(how many?)

Life cycle(where are they made? how long do they live

for?)