Biology cells and systems test MCC

1. Deoxygenated blood is rich in carbon dioxide?

A) Fales
B) True

2. The lungs are considered to be a major component of the circulatory system?

A) True
B) Fales

3. Chewing with your teeth is an example of chemical digestions?

A) False
B) True

4. Alveoli are adapted to make gas exchange in the lungs occur more easily?

A) True
B) Fales

5. Enzymes are an example of chemical digestion?

A) True
B) False

6. The Pulmonary vein

A) One of the top chambers of the heart
B) Transports blood away from the lungs once blood is oxygenated and back to the heart
C) The “pump” of the circulatory system

7. The Pulmonary artery

A) Transports blood away from the lungs once blood is oxygenated and back to the heart
B) One of the top chambers of the heart
C) Transports blood to lungs and away from the heart

8. The Ventricle

A) One of the bottom chambers of the heart
B) One of the top chambers of the heart
C) The “pump” of the circulatory system

9. which organ of the digestive system stores bile

A) Rectum
B) Large intestines
C) Gall bladder

10. The Large intestines

A) absorbs excess water
B) adds saliva, moisture, mechanically breaks down food
C) adds HCl and pepsin (enzyme) churns food

11. which organ of the digestive system tube connects mouth to stomach. Food moves down it my peristalsis. (contraction of its walls)

A) Oesophagus
B) Large intestines
C) Small intestines

12. What is the function of the respiratory system?

A) To help us breath
B) To get oxygen into the body and to get rid of carbon dioxide
C) To transport nutrients around the body
D) To maintain blood pressure

13. Normal blood pressure is considered to be

A) 120/80
B) 180/20
C) 80/120

14. The circulatory system is composed of:

A) The heart, lungs , arteries
B) The heart, blood and blood vessels
C) The heart, lungs, veins

15. Veins carry blood

A) are the main component of the digestive system
B) back to the heat
C) Away from the heart

16. In Figure 1 Chlorophyll would be found in:

A) A
B) B
C) C
D) D

17. In Figure 1 If cells of this type were placed in strong light with all necessary requirements, it would be expected that:

A) Photosynthesis and cellular respiration would occur
B) Only cellular respiration would occur
C) Only photosynthesis would occur
D) No cellular respiration would occur

18. If a person eats a ham salad sandwich, which of the following types of chemical digestion will occur first?

A) The bread will be broken down by amylase
B) The lettuce will be broken down by cellulase
C) The ham will be broken down by a protease
D) The butter will be broken down by a lipase

19. Look at Figure 2 The Left Atrium is represented by

A) 5
B) 2
C) 7
D) 8

20. In Firgure 2 The blood vessel that sends oxygenated blood to the rest of the body is the:

A) Pulmonary Artery
B) Aorta
C) Pulmonary Vein
D) Vena Cava

21. In Figure 3 The correct sequence for the pathway of a drop of blood from its return to the heart from the lower body to its exit from the heart to go back to the lower body would be:

A) 4-7-2-1-6-5-8-3
B) 1-2-7-3-6-5-8-4
C) 1-2-7-4-6-5-8-3
D) 6-5-8-4-1-2-7-3

22. All arteries

A) Have thick muscular walls
B) Have valves
C) Carry oxygenated blood
D) Take blood from organs

23. A high surface area to volume ratio is an important factor in the function of the

A) Oesophagus
B) Trachea
C) Lung
D) Bladder

24. Gaseous exchange occurs in the lung at the

A) Alveoli
B) Alveolar Duct
C) Cilia
D) Bronchioles

25. What type of cell is in Figure 3 and justify your responce. (2 marks)

26. Identify 4 structures in figure 3 (e.g. 1 = mitchondria) (4 marks)

27. List two examples of enzymes found in the digestive system. (2 Marks)

28. What is mechanical digestions and give an example. (2 marks)

29. What is chemical digestions and give an example. (2 marks)

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