Human Body Quiz for Grade 8 Multiple Choice Questions with Answers
This Human Body Quiz with Answers is prepared for Grade 8 students.
It includes 20 multiple choice questions with answers and explanations.
The human body quiz helps students understand body systems and improve basic science knowledge.
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#1. What connects muscles to bones?
Explanation: Tendons connect muscles to bones and help in movement.
#2. Which organ is mainly responsible for digestion of food?
Explanation: The stomach helps break down food using digestive juices and prepares it for further digestion.
#3. Which organ controls all the activities of the human body?
Explanation: The brain is the control center of the human body. It sends and receives messages through nerves and controls thinking, movement, and body functions.
#4. Which part of the digestive system absorbs nutrients?
Explanation: The small intestine absorbs nutrients from digested food into the bloodstream.
#5. Which system carries messages between the brain and body?
Explanation: The nervous system sends and receives signals, helping the body respond to different situations.
#6. How many chambers are there in the human heart?
Explanation: The human heart has four chambers: two atria and two ventricles, which help in proper circulation of blood.
#7. Which organ stores bile?
Explanation: The gallbladder stores bile, which helps in the digestion of fats.
#8. Which system helps in breathing?
Explanation: The respiratory system allows us to breathe by taking in oxygen and releasing carbon dioxide.
#9. What is the main function of the skeleton?
Explanation: The skeleton supports the body, protects internal organs, and helps in movement.
#10. What helps bones move at joints?
Explanation: Muscles contract and relax to move bones at the joints.
#11. Which organ helps to clean waste from the blood?
Explanation: Kidneys filter waste materials and extra water from the blood and form urine.
#12. Which organ helps in pumping blood?
Explanation: The heart pumps blood to all parts of the body, supplying oxygen and nutrients.
#13. Which gas do humans breathe in?
Explanation: Humans breathe in oxygen, which is needed for releasing energy from food.
#14. Which part of the brain controls balance and coordination?
Explanation: The cerebellum helps maintain balance, posture, and smooth muscle movements.
#15. Which organ is responsible for thinking and memory?
Explanation: The brain controls thinking, learning, memory, and decision-making.
#16. How many bones are there in the adult human body?
Explanation: An adult human body has 206 bones that provide shape, support, and protection.
#17. Which blood cells help fight infections?
Explanation: White blood cells protect the body by fighting germs and infections.
#18. What is the largest organ in the human body?
Explanation: The skin is the largest organ and protects the body from germs, heat, and injury.
#19. Which part of the eye controls the amount of light entering?
Explanation: The iris controls the size of the pupil and regulates the amount of light entering the eye.
#20. What is the main function of red blood cells?
Explanation: Red blood cells carry oxygen from the lungs to all parts of the body, which is essential for energy production.
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