OrgansStructures that carryout specific jobs asyou live and grow. Heart Lungs Stomach
Organs in the Human Body• What organ of the human body can you observe in this photo?• Why can’t you observe any other organs in this photo?• Why does the body need a wide variety of organs to functionproperly?
Moving the Human Body Bones are a type of organ. The framework of bones in your body is called a skeleton.
Moving the Human Body Bones can’t move on their own, you need muscles for that.• Why is itimportant forskeletal musclesto work in pairs?• Why might itbe important tohave involuntarymuscles inorgans like the
BloodVeins carry blood toward the Arteries carry blood awayheart. from heart.
Blood• How are veins and arteriesalike?• How are they different? Circulatory System Animation• Which parts of the bodyreceive blood from bloodvessels?• Why do body parts needblood?• What happens to blood after itleaves the heart? (Let’s findout!)
The Heart• What happens when theheart beats? Let’s Watch!• Does blood travel inside theheart through one pathway, afew pathways, or manypathways? Let’s Check!• When blood leaves theheart, can it travel throughonly one pathway, a fewpathways, or many pathways? Let’s Check!
TheLungs Lungs Animation• What happens tothe air you breatheinto your lungs?What two gases areinvolved?• Why is thisexchange of gasimportant?• Why is the heartnecessary for thelungs to workproperly?
TheDigestiveSystemWe all need food,but in order to usethe chemical,potential energy in itwe need to digest itand get rid of theparts our bodiescan’t use.To accomplish thistask your bodycomes equippedwith a digestivesystem.
The Digestive System Pancreas LiverWhile the pancreas and liver are part of the digestive system, food doesnot pass through them. Instead, both make substances that help breakdown food so that it can be digested.
PancreasThe Pancreasmakes juicesthat help yourbody digestfood.It also helpsthe body usesugars.
LiverThe liver is avery large andimportantorgan.It makes bilethat enters thesmall intestineand helpsdigestion.
Organs in Digestion• Where does theEsophagus carry foodto?• What happens tofood in the stomach?• Where does it gofrom there?• What happens tofood in the smallintestine?• What happens to anyremaining food after itleaves the small
KidneysWhat are thepurpose ofkidneys? Let’s explore!
The Brain • When I pick up a pencil, where in my body do I decide to do it? • How did the message to bend over and pick it up travel to my arms and legs? • What kinds of messages might begin and end inside the brain? • Why is it important for parts of the brain to keep working even when you are asleep? Click here to explore your brain!
ReviewClick here to review bodysystems with an amazing video!