1. Circulation & Respiration System
Review

2. Circulation Blood Flow Through the heart Blood Vessels Blood Cells
Where is the blood full of oxygen and where it is not?
Difference between ventricles & atria
Blood Vessels
Difference between veins, arteries & capillaries
Blood Cells
What each type is responsible for?

3. Respiratory System The 3 main characteristics of respiratory systems
Moist, large surface area & thin
What triggers breathing?
And be able to give some proof that this is true
The different types of air in your lungs
Right on lab sheet
The make up of the air you inhale vs the air you exhale and why those change.
Why do we need oxygen?

4. What happens to your heart rate and breathing rate after exercise and why?
Why is it difficult to hold your breath after exercising?
If you breathe into a paper sack what would happen to your breathing rate and why?

5. What happens to your heart rate and breathing rate after exercise and why?
Why is it difficult to hold your breath after exercising?
If you breath into a paper sack what would happen to your breathing rate and why?
What would happen to your breathing rate if you breathe air that only contains 16% (or 24% ) oxygen rather than 20%?

6. Explain how your body responds if your red blood cells lack necessary hemoglobin.
Explain what happens in terms of circulation and respiration if you would add 25% more RBC to your blood.
Explain why Airforce Fighter Pilots have to have an oxygen mask on when flying?
How will your Breathing Rate and Heartbeat Rate be effected as you stand on top of Mount Ranier? Why are they effected the way they are?

7. Extra Questions
A farmer had seventeen sheep, all but nine died, how many did he have left?
Before the days of motor cars, a man rode into town on his horse. He arrived on Friday, spent three days in town and left on Friday. How is that possible?
Clara Clatter was born on December 27th, yet her birthday is always in the summer. How is this possible?
How much dirt is in a hole 4 feet deep and 2 feet wide?
I'm not an airplane, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
If a rooster laid a brown egg and a white egg, what kind of chicks would hatch?
A barrel of water weighs 20 pounds. What must you add to it to make it weigh 12 pounds?