l

2. vThe highway system of a city helps to move food,
water, petrol, garbage, and other goods.
vSimilarly
vtransport systems help to move
v food, water, gasses and wastes
v body and a plant’s

3. • Our body needs food and oxygen to
produce energy.
•Wastes are also produced in our body.
• The supply of food, water, oxygen, etc.
and removal of wastes from our body is
called transportation.

4. • The blood circulatory system in our body serves this purpose.
• PARTS OF HUMAN CIRCULATORY SYSTEM
• HEART
• BLOOD VESSELS
• TYPES OF BLOOD VESSELS
• ARTERIES
• CAPILLARIES
• VEINS

7. •Theheart,bloodandbloodvesselsworktogether
•toservicethecellsofthebody.
•Usingthenetworkofarteries,veinsandcapillaries,
•bloodcarriescarbondioxidetothelungs(forexhalation)
•andpicksupoxygen(forInhalation)
•Fromthesmallintestine,thebloodgathers
foodnutrientsanddeliversthemtoeverycell.

8. WORKINGOFCIRCULATORYSYSTEM
• Thecirculatorysystem,alsoknownasthecardiovascularsystem,
• Asimpleloopwhichstarts,andends,withyourheart.
• Insuchasystem,acontinuousflowofthesameliquidcanbepumped
throughtheloopagainandagain.
• Bloodiscirculatedthroughoutyourbodyviayourarterialsystem—
arteries,andcapillaries—​​andreturnedtoyourheartviathevenous
system—veinsandvenules.
• Yourbloodisvitaltoyourwell-beingandcirculatesnutrientsincluding
oxygen,carbondioxideandthroughoutyourbody.
• Yourheartisresponsibleforthemajorityofthecirculatorysystem's
functionandiswheretheprocessbegins.