Reading Passage and Practice: The
Circulatory System Math: Interpreting and representing fractions Vocabulary:
Circulatory System Terms
Writing: Description of a village, showing causes Project:
Graphs of heart beat and blood pressure Game: Heart Puzzle
Click on the
words highlighted in yellow
to get a definition.
system, blood leaves the heart and returns to it. It delivers
and nutrients to the
tissues. The blood also picks up
wastes from the body.
The blood leaves the heart through the
arteries. It returns to the heart through the
veins. The heart
muscle is constantly squeezing and relaxing. In this way, the heart
moves blood through the body. The heartbeat is the sound of the
A: Right auricle
C: Left Ventricle
D: Left Auricle
The tubes in the
drawing are the blood vessels: the arteries and the veins.
The heart is
basically a double pump. Each side of the heart has two parts,
an auricle and a ventricle. The auricles draw blood into the
heart; the ventricles push blood out of the heart.
side of the heart handles
The left side of the heart handles oxygenated
blood. On the right side of the
heart, the auricle receives deoxygenated blood from the body.
It then flows to the right ventricle. From there it is pushed
out to the lungs to get oxygen and to get rid of wastes. From
the lungs, the oxygen-rich blood goes to the left auricle where
it flows down to the ventricle and is pushed out to the body.
The blood then returns to the right auricle.
repeated again and again.
system does many other important things. Blood carries disease
fighters to the parts of the body that need them. Blood also helps
form clots in areas that are bleeding. Blood flow also controls
When the heart
pumps steadily, all is well. When the heart stops pumping blood,
the person dies within 4 to 5 minutes. The heart is
survival and cannot rest. Perhaps this is why the heart always
symbolizes the best and strongest parts of human beings.
Heart and Lungs
Change only one vowel and keep the rest of the word spelling exactly
the same to fill the blanks.
Our High School
(Spend some time thinking about the answer before checking it!)
a huge hole under the fence!
2. Tent is one of many
words that begin
with the same letter.
3. Is there a good handyman
that I can
Now try a few sentences of your
own. List a few words that change meaning by just changing one
vowel. Then write a sentence that uses both next to each other.