Q2 at Science6

SCIENCE 6
PART I. INTEGUMENTARY and MUSCULO-SKELETAL SYSTEM
DIRECTION: Read and understand each item. Encircle the letter of your answer.
Avoid erasures.
1. What makes up an organ system?
A. different systems of the body C. Tissues

B. organs that function as a unit D. Cells
2. I am the largest organ that covers the human body. Without me, you will be
exposed to so many enemies. What am I?
A. Brain B. Bone C. Skin D. Muscle
3. Which of the following is the basic function of the skin or integument?

A. blood circulation C. protection
B. breakdown of food D. helps us breathe
4. Melanin protects our skin from ultraviolet rays of sunlight. Which will be the result
of your skin if you were exposed to sunlight for a long period?
A. More melanin is produced in response to sunlight, giving your skin a white color.
B. More melanin is produced in response to sunlight, giving your skin a tan color.
C. Less melanin is produced in response to sunlight, giving your skin a white color.
D. Less melanin is produced in response to sunlight, giving your skin a tan color.
5. What will be the result of Ivan’s body temperature drops below 34ºC?
A. Ivan will suffer hypothermia in which his body will lose water and essential
salts due to sweating.
B. Ivan will suffer hypothermia and he will feel shivering and mental
confusion.
C. Ivan will suffer heatstroke as his body will lose water and essential salts
due to sweating.
D. Ivan will suffer heatstroke as he feels himself in a state of mental
confusion and mental confusion.
6. Which cordlike structure connects a bone to another bone?

A. Tendons B. Cartilage C. Ligaments D. Nerves
7. I am found inside your body. My hardness and strength make you sturdy. What
am I?
A. Stomach B. Lung C. Muscle D. Bone
8. Which of the following is not an axial skeleton?

A. pelvic girdle C. spine
B. skull D. ribs
9. Which of the following organ is protected by your rib cage?

A. heart B. lungs C. stomach D. both A and B
10. Why do adults have fewer bones than babies?
A. They are older.
B. Their bones were fused.
C. Their bones have more calcium.
D. Their bones are larger than babies.
11. How many muscles do we have in our body?

A. 309 muscles C.206 muscles
B. 600 muscles D. 33 muscles
12. What is the difference between voluntary and involuntary muscles?

A. Voluntary muscles enable you to move or stop whenever you want while
involuntary muscles cannot be controlled by yourself.
B. Involuntary muscles can be controlled while voluntary muscles can’t be
controlled by you.
C. Voluntary muscles are found in the walls of the esophagus, stomach, and
intestines while involuntary muscles are found in skeletal muscles.
D. Involuntary muscles are found in the walls of the esophagus, stomach, and
intestines while voluntary muscles are found in skeletal muscles.
PART II. DIGESTIVE and RESPIRATORY SYSTEM
Avoid erasures.
13. What do you call the process of breaking down food into simpler substances
that can be absorbed by the cells of the body?
A. Digestion C. Vasodilation
B. Respiration D. Metabolism
14. Where does digestion start?

A. Esophagus C. Mouth
B. Intestine D. Stomach
15. Where does complete digestion take place?

A. Large intestine C. Small Intestine
B. Mouth D. Stomach
16. Which of the following states the role of the lungs in the respiratory system
correctly?
A. The lungs pump oxygen to all parts of the body.
B. The lungs trap the dust particles in the air that is breathe in.
C. The lungs transport water and minerals to all parts of the body.
D. The lungs allow the exchange of gases with blood in the body.
17. What do you call a hallow tube in the throat that serves as a passage way for
both air and food?
A. Bronchi C. Pharynx
B. Larynx D. Trachea
18. It is a small flap that covers the entrance to the windpipe.

A. Alveolus C. Epiglottis
B. Bronchi D. Trachea
19. What is the function of the hair in the nostrils?

A. It transports blood throughout the body.
B. It traps dust and other pollutants in the air we breathe in.
C. It takes in more carbon dioxide in the body.
D. It bulges the lungs.
20. Which of the following correctly shows the path of oxygen in the human body
when a person breathes in?
A. Nose – windpipe – heart – other parts of the body
B. Nose – windpipe – lungs – heart – other parts of the body
C. Nose – gullet – windpipe – heart – other parts of the body
D. Other parts of the body – heart – lung – windpipe – nose
21. What is the important role of blood in respiration?

A. It carries oxygen from the heart to other parts of the body.
B. It carries oxygen from the lungs to the different parts of the body.
C. It allows air to enter and leave the body.
D. It contains air sacs which have a rich supply of blood vessels.
PART III. CIRCULATORY and NERVOUS SYSTEM
Avoid erasures.
22. This human body system is responsible for the distribution of nutrients and
oxygen to all cells of the body.
A. Circulatory System C. Integumentary System
B. Digestive System D. Nervous System
23. It is considered as the “red river of life” primarily because it is red in color.
A. Arteries B. Blood C. Capillaries D. Veins
24. It is the pumping organ of the circulatory system.

A. Brain B. Heart C. Lungs D. Skin
25. Which circulation enables the flow of the blood from the heart to the lungs
back to the heart?
A. Blood Circulation C. Pulmonary Circulation
B. Coronary Circulation D. Systematic Circulation
26. Which part of the brain is the origin of thinking and awareness?
A. Cerebrum C. Nerves
B. Cerebellum D. Spinal Cord
27. Which division of nerves do brain and spinal cord belongs?

A. Central Nervous System C. All of the Above
B. Peripheral Nervous System D. None of the Above
28. Which is not a kind of neuron?

A. Interneurons C. Sensory neurons
B. Motor neurons D. None of the above
29. When you walk or run, your legs and your arms move in proper coordination.
What enables your body to move this way?
A. Brain stem C. cerebrum
B. Cerebellum D. Spinal Cord
30. What do you call the basic cell of the nervous system?
A. Brain C. Spinal Cord
B. Neurons D. Synapse

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SCIENCE 6

PART I. INTEGUMENTARY and MUSCULO-SKELETAL SYSTEM

1. What makes up an organ system?

A. different systems of the body C. Tissues

3. Which of the following is the basic function of the skin or integument?

6. Which cordlike structure connects a bone to another bone?

8. Which of the following is not an axial skeleton?

9. Which of the following organ is protected by your rib cage?

11. How many muscles do we have in our body?

12. What is the difference between voluntary and involuntary muscles?

PART II. DIGESTIVE and RESPIRATORY SYSTEM

14. Where does digestion start?

15. Where does complete digestion take place?

18. It is a small flap that covers the entrance to the windpipe.

19. What is the function of the hair in the nostrils?

21. What is the important role of blood in respiration?

24. It is the pumping organ of the circulatory system.

27. Which division of nerves do brain and spinal cord belongs?

28. Which is not a kind of neuron?

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