International School Manila provides education from preschool through grade 12 with an international curriculum. It was founded in 1986 and is accredited by the Western Association of Schools and Colleges. The school has around 1,800 students from over 50 countries speaking over 30 languages.

1. International School Manila
Systems: Digestive
Circulatory
Respiratory

2. #1
The esophagus is
A muscular tube that
A: Where nutrients are B: connects the mouth
absorbed and stomach
C: A hollow tube with D: Not always needed
cartilage rings

3. B

4. #2
The pulmonary artery sends blood to the
A: Lungs B: Heart
C: Small Intestines D: Brain

5. A

6. #3
Nutrients are absorbed in the
A: Large Intestines B: Stomach
C: Mouth D: Small Intestines

7. D

8. #4
One of the main function of the circulatory system is
A: Send CO2 around the B: Carry Nutrients around
body the body
C: Pump oxygen around D: Both b and C
the body

9. D

10. #5
Veins
A: Send blood to the B: Send blood away from
heart the heart
C: Both a and B D: Neither A and B

11. A

12. #6
The alveoli sacs
A: Are located on the B: Are in the heart
trachea
C: Where gas exchange D: Decrease the surface
takes place area of the lungs

13. C

14. #7
The circulatory system is divided into 2 loops, why?
A: Because the brain B: The body is too big for
needs blood 1 loop
Blood needs to be Deoxygenated blood is
C: D:
pumped to the lungs to sent to the heart to be
receive oxygen, then to be
pumped around the body
pumped around the body

15. C

16. #8
Deoxygenated blood coming back to the heart enters
A: The right atrium B: The left atrium
C: The right ventricle D: The left ventricle

17. A

18. #9
When the diaphragm moves down it
Creates Low pressure Creates High pressure
A: causing air to rush in B: causing air to rush in
and inflate the lungs and inflates the lungs
Creates Low pressure Creates High pressure
C: causing air to rush out D: causing air to rush out and
and deflates the lungs deflates the lungs

19. A

20. #10
Why does the left ventricle have thicker walls than
The right ventricle?
Because it develops
A: Because it does B:
first
C: It sends blood to the D: It has to pump blood
lungs all around the body

21. D

22. #11
How are the respiratory and the circulatory systems linked?
The circulatory system
A: Nutrients need to get B: supplies blood around
to the lungs and heart the body
The lungs provide the
O2 and allows the The blood is pumped
C: blood get rid of CO2 D: back to the heart by
from the body the pulmonary artery

23. C

24. #12
Why are the trachea and esophagus not built the same?
The esophagus needs to
A: B:
push food down while the You wouldn’t want the
trachea made up of
cartilage so it’s flexible
wind pipe to close
C: They are built the D: Both A and B
same

25. D

26. #13
What are 2 differences between real lungs and our models?
The jar couldn’t move
The diaphragm moved
A: but our ribs expand B:
and contract up to inflate lungs in
the model
C: There was no gas D: Both A and C
exchange

27. D

28. #14
Arteries send blood away from the heart, veins send blood to the heart, capillaries…
Are small vessels where
A: Send blood to the B: nutrients and gas
heart exchange take place
C: Pick up CO2 from the D: Are small vessels that
lungs absorb nutrients.

29. B

30. #15
Explain diffusion….
A: Picking up O2 and B: Low air pressure to
leaving CO2 High Air pressure
Gasses going from a Gasses going from a
C: low concentration to a D: high concentration to
high concentration a low concentration

31. D

32. Great Job!!!!
Thank you for playing!