Click on the arrow to learn more!

1
Our Body Systems!

• Click on the arrow to learn more!

2
Circulatory System

• The circulatory system uses your heart and blood
  vessels to carry oxygen and nutrients to parts of
  your body.

3
The Heart part of the circulatory system!

• The hearts job is to pump the blood throughout
  the body.
• It is the strongest muscle in your body.
• It is about the size of your fist.
• Your heart pumps all the time and moves your
  blood to clean and feed your cells.

Look at this real heart beat!
Listen to this human heart beat by clicking on
the picture!
4
Blood Vessels part of the circulatory system!

• Blood vessels that carry oxygen away from the
  heart to the body cells are called arteries.
  (RED)
• Blood vessels that carry carbon dioxide in blood
  to the heart are called veins. (BLUE)
• Blood vessels that that let the fresh supplies
  leave the blood and enter the body are called
  capillaries. They connect the veins and arteries.

5
Quiz Time!

• What do arteries carry away from the heart?
  Select the correct answer to move on to the next
  system!
• A) carbon dioxide
• B) calcium
• C) oxygen

6
Incorrect!

• The veins carry carbon dioxide to the heart!
  Click on the back arrow to try again!
• TRY AGAIN

7
Incorrect!

• Calcium is not carried away from the heart
  through the arteries!
• TRY AGAIN

8
You are correct!

• The arteries do carry oxygen away from the heart!
  Click on the arrow to go to the next body system!

9
Skeletal System

• A skeleton is the framework for your body and is
  made of hard bones.
• There are 206 bones in your human body.
• Bones give your body its shape and protect your
  organs.

Click on the picture to learn more!
10
Quiz Time!

• Where are most of your 206 bones located? Click
  on the correct answer to move onto the next body
  system!
• A) in your legs
• B) in your hands and feet
• C) in your skull

11
Incorrect!

• No, the majority of your bones are not in your
  legs! Click on the back button to try again!

12
Incorrect!

• Sorry, the majority of your human bones are not
  located in your skull!
• TRY AGAIN!

13
You are Correct!

• Yes! We have many bones in our hands and feet!
  You may go onto the next body system by clicking
  on the arrow below.

14
Muscular System

• Muscles are made of many stretchy, elastic cells
  and fibers that help make your body move.
• There are more than 600 muscles in your body!
• Muscles work in pairs. While one muscle is
  working the other muscle is relaxing.
• Muscles help keep your organs in place.

15
Do you think you should work out with weights?

• Click on what you think you should do.
• Yes, using heavy weights is healthy for my
  muscles and my body.
• No, my muscles are not fully developed yet, and I
  should wait until I am the right age to use heavy
  weights.

16
Not Exactly

• As a third grader, you need to be careful to not
  lift heavy weights that could be damaging to your
  body.

Click on the picture to learn more!
17
You are right!

• As a third grader, you need to be careful to not
  lift heavy weights that could be damaging to your
  body.

Click on the picture to learn more!
18
Nervous System

• Your brain is the boss of your body! It runs the
  show and controls just about everything you do!
• The brain is most important part of the nervous
  system. The parts of the nervous system include
  the cerebrum, cerebellum, brainstem, pituitary
  gland and hypothalamus.
• Your brain cant do it alone! It needs nerves
  and the spinal cord. The spinal cord and nerves
  let messages flow back and forth between the
  brain and body.

Click on the picture to learn more!
19
Quiz Time!

• Why is the nervous system called the nervous
  system? Click on the right answer to go to the
  next body system!
• A) because it is nervous
• B) because it is shaky like you would be when
  your nervous
• C) because it involves nerves that are located
  throughout your body.

20
Incorrect!

• Our nervous system is not considered to be
  nervous! Click on the back button and try again!

21
Incorrect!

• Our nervous system is not considered to be
  nervous and shaky like if we were nervous! Click
  on the back button and try again!

22
You are Correct!

• Everything you do depends on your nerves involved
  in your nervous system. Your brain sends
  messages to your nerves to have you do something.

23
Digestive System

• Digestion allows your body to get nutrients and
  energy in needs from the food you eat.
• The digestive process begins in your mouth while
  food travels through your body. Your tongue plays
  a big part in the beginning of the digestive
  process.

Click on the picture to see a digestive system
diagram!
24
Quiz Time!

• Where does the digestive system process begin?
  Click on the correct answer to go to the next
  body system!
• A) The mouth
• B) The stomach
• C) The diaphragm

25
You are Correct!

• We begin the digestive process when we put the
  food into our mouths! Click on the arrow to go
  to the next body system!

26
Incorrect!

• The stomach is part of the digestive system, but
  it is not where it all begins! Click on the back
  button to try again!

27
Incorrect!

• The diaphragm is located near the stomach but is
  not the first step in the digestive system! Click
  on the back arrow to try again!

28
Respiratory System

• There are two large lungs in your chest. One is
  a bit bigger than the other. The extra space
  leaves room for your heart.
• The diaphragm works with your lungs to allow you
  to inhale and exhale. Inhale is to breathe in
  and exhale is to breathe out.

Click here to hear these lungs breathe after an
hour of exercise
Click here to learn more!
29
Quiz Time!

• What do you blow out when you exhale?
• A) Oxygen
• B) Carbon Dioxide
• C) Saliva

30
Incorrect!

• You actually inhale oxygen! Click on the back
  arrow to try again!

31
Incorrect!

• Your lungs do not exhale saliva! Spit may be in
  your mouth and may come out, but this is not what
  exhaling entails. Click on the back button to
  try again!

32
Yes! You are right!

• We exhale Carbon Dioxide. Our bodies do not want
  carbon dioxide inside of us, so we blow it out!
  Congratulations you have finished this program!
  You are now considered to be a Body Systems
  Expert!