Grade 8 General Science Unit 4: Human Body Systems and Health

Grade 8 General Science Unit 4: Integumentary System | ስርዓተ ቆዳ | Saquama | ሳቋማ

Grade 8 General Science Unit 4: Components of Intugmentary System Hair,Gland and Nails

Grade 8 General Science Unit 4: Function of Integumentary Systems, Major Skin Diseases and Disorders

Grade 8 General Science Unit 4: Major Skin Diseases and Disorders | የቆዳ በሽታዎች እና ችግርዎች

Grade 8 General Science Unit 4: Muscular system | ስርዓተ ጡንቻ

Grade 8 General Science Unit 4: Muscular system function & major muscle diseases and disorders

Grade 8 General Science Unit 4: Structural Components of Skeletal System – Types of Bones

Grade 8 General Science Unit 4 | Structural Components of Skeletal System Types of bones 2

Grade 8 General Science Unit 4: Structural Components of Skeletal System :Types of bones 3

Grade 8 General Science Unit 4 Function of the Skeletal System and Major Diseases

Grade 8 General Science Unit 4: The Digestive System Part 1 | ስርዓተ ምግብ መፈጨት ቁ.1 | Saquama | ሳቋማ

Grade 8 General Science Unit 4፡ The Digestive System Part 2 (Functions) | ስርዓተ ምግብ መፈጨት ቁ.2

Grade 8 General Science Unit 4: The Digestive System Part 3 (Major Diseases) | ስርዓተ ምግብ መፈጨት

Grade 8 General Science Unit 4፡ Respiratory System 1 | ስርዓተ ትንፈሳ ቁ. 1

Grade 8 General Science Unit 4፡ Circulatory System Part 1 | ስርዓተ ደም ዝውውር

Grade 8 General Science Unit 4 Circulatory System Part 2 (Functions and Diseases | ሳቋማ | Saquama

Grade 8 General Science Unit 4፡ Circulatory System Part 3 (Diseases) | ስርዓተ ደም ዝውውር ቁ.3

Grade 8 General Science Unit 4 Reproductive System (Part 1) | ስርዓተ ተዋልዶ ቁ.1 | ሳቋማ | Saquama

Grade 8 General Science Unit 4 Reproductive System (Part 2) | ስርዓተ ተዋልዶ ቁ.2

Grade 8 General Science Unit 4 Reproductive System (Part 3) | Questions | ጥያቄዎች

Unit 4: Human Body Systems and Health

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Unit 4: Human Body Systems and Health

Grade 8 General Science Unit 4: Human Body Systems and Health Unit 4: Human Body Systems and Health

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Question 1 of 28

1. Question
1 point(s)
Which of the following is NOT a function of the integumentary system?
- Regulating body temperature
- Producing hormones
- Sensory perception
- Protecting internal organs
- Excreting waste products
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Question 2 of 28

2. Question
1 point(s)
What is the primary function of human hair?
- Producing vitamin D
- Providing insulation
- Sensing temperature changes
- Facilitating nutrient absorption
- Protecting against UV radiation
Correct

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Question 3 of 28

3. Question
1 point(s)
Which layer of the skin contains blood vessels responsible for thermoregulation?
- Epidermis
- Dermis
- Hypodermis
- Cuticle
- Medulla
Correct

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Question 4 of 28

4. Question
1 point(s)
What is the role of sebaceous glands in the integumentary system?
- Producing sweat for thermoregulation
- Lubricating and protecting hair shafts
- Secreting ear wax for protection
- Regulating body temperature
- Producing breast milk after giving birth
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Question 5 of 28

5. Question
1 point(s)
Which skin disorder is caused by the herpes simplex virus?
- Acne
- Eczema
- Hives
- Cold sore
- Carbuncle
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Question 6 of 28

6. Question
1 point(s)
Which of the following is not parts of integumentary?
- Hair
- Skin
- Glands
- Nail
- Kidney
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Question 7 of 28

7. Question
1 point(s)
The middle layer of the skin is:
- Dermis
- Hypodermis
- Epidermis
- Endodermis
Correct

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Question 8 of 28

8. Question
1 point(s)
The outer layers of the hair are:
- Medulla
- Cuticle
- Cortex
- None
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Question 9 of 28

9. Question
1 point(s)
What are skeletal muscles?
- Muscles found in the heart.
- Muscles lining the inside of organs.
- Muscles that can be consciously controlled.
- Muscles responsible for involuntary actions.
Correct

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Question 10 of 28

10. Question
1 point(s)
Where are smooth muscles primarily found?
- Attached to bones.
- In the heart.
- Lining blood vessels and organs.
- Controlling heartbeat.
Correct

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Question 11 of 28

11. Question
1 point(s)
Which type of muscle is auto-rhythmic and found exclusively in the heart?
- Skeletal muscle
- Smooth muscle
- Cardiac muscle
- Striated muscle
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Question 12 of 28

12. Question
1 point(s)
What is the function of skeletal muscles?
- Pumping blood
- Involuntary actions
- Controlling movement of bones
- Stimulating contractions in the heart
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Question 13 of 28

13. Question
1 point(s)
What property allows muscles to be stretched?
- Contractility
- Extensibility
- Excitability
- Elasticity
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Question 14 of 28

14. Question
1 point(s)
What characteristic describes the ability of a muscle to recover its size and shape after deformation?
- Contractility
- Extensibility
- Excitability
- Elasticity
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Question 15 of 28

15. Question
1 point(s)
Which of the following is NOT a major muscle disease or disorder?
- Muscular dystrophy
- Muscle strains
- Cardiac arrest
- Skeletal muscle weakness
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Question 16 of 28

16. Question
1 point(s)
What is the main manifestation of muscle disorders?
- Skeletal muscle strength
- Weakness and wasting of muscle tissue
- Increased flexibility
- Enhanced muscle tone
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Question 17 of 28

17. Question
1 point(s)
Where do muscle strains commonly occur?
- Neck
- Lower back
- Shoulders
- Abdomen
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Question 18 of 28

18. Question
1 point(s)
Which of the following is a symptom of muscular dystrophy?
- Increased muscle strength
- Wasting away of muscle tissue
- Enhanced flexibility
- Improved coordination
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Question 19 of 28

19. Question
1 point(s)
What are the structural components of the skeletal system?
- Muscles and tendons
- Bones and ligaments
- Cartilage and tendons
- Ligaments and cartilage
- All the above
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Question 20 of 28

20. Question
1 point(s)
How many bones does an adult human skeleton typically contain?
- 106
- 150
- 206
- 250
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Question 21 of 28

21. Question
1 point(s)
Which type of bone is typically thin, flat, and curved?
- Long bones
- Short bones
- Flat bones
- Irregular bones
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Question 22 of 28

22. Question
1 point(s)
What is the function of cartilage in the skeletal system?
- Provides flexibility and elasticity support
- Connects muscle to bone
- Holds bones together at joints
- Supports body weight
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Question 23 of 28

23. Question
1 point(s)
What is the role of tendons in the skeletal system?
- Connect bone to bone
- Hold bones together at joints
- Connect muscle to bone
- Provide flexibility and elasticity support
Correct

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Question 24 of 28

24. Question
1 point(s)
Which type of joint allows movements in every direction?
- Hinge joint
- Ball and socket joint
- Immovable joint
- Fixed joint
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Question 25 of 28

25. Question
1 point(s)
What is the main function of the human skeleton?
- Produces blood cells
- Supports and protects the body
- Stores fat and minerals
- Provides flexibility for movement
- All the above
Correct

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Question 26 of 28

26. Question
1 point(s)
Which disease is characterized by thinning and weakening of bones?
- Leukemia
- Osteopenia
- Osteoarthritis
- Osteoporosis
Correct

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Question 27 of 28

27. Question
1 point(s)
What is the function of bone marrow in the skeletal system?
- Provides flexibility and elasticity support
- Produces blood cells
- Connects muscle to bone
- Supports body weight
Correct

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Question 28 of 28

28. Question
1 point(s)
Which type of bone is found in the wrist and ankle?
- Long bones
- Short bones
- Flat bones
- Irregular bones
Correct

Incorrect