questions and answers
What is the main function of red blood cells?
✔️✔️ To transport oxygen from the lungs to body tissues.
Which organ filters blood and produces urine?
✔️✔️ The kidneys.
What is the basic unit of life?
✔️✔️ The cell.
Which system controls body hormones?
✔️✔️ The endocrine system.
What part of the brain controls balance?
✔️✔️ The cerebellum.
What gas do humans inhale for survival?
✔️✔️ Oxygen.
What is the largest organ in the human body?
✔️✔️ The skin.
Which blood cells fight infections?
✔️✔️ White blood cells.
What is the main pump organ of the body?
✔️✔️ The heart.
Which organ produces insulin?
✔️✔️ The pancreas.
What is the function of the lungs?
✔️✔️ Gas exchange (oxygen in, carbon dioxide out).
Which system moves the body?
✔️✔️ The muscular system.
What connects muscles to bones?
✔️✔️ Tendons.
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, What connects bones to bones?
✔️✔️ Ligaments.
Which bone protects the brain?
✔️✔️ The skull.
What is the function of platelets?
✔️✔️ Blood clotting.
Which organ is responsible for thinking and memory?
✔️✔️ The brain.
What is the main function of the digestive system?
✔️✔️ Breaking down food and absorbing nutrients.
Which part of the eye detects light?
✔️✔️ The retina.
What carries oxygen in the blood?
✔️✔️ Hemoglobin.
Which system protects the body from pathogens?
✔️✔️ The immune system.
What is the function of the liver?
✔️✔️ Detoxification and metabolism of nutrients.
Which organ stores bile?
✔️✔️ The gallbladder.
What is the smallest blood vessel?
✔️✔️ Capillaries.
Which system includes the bones?
✔️✔️ The skeletal system.
What is the role of the diaphragm?
✔️✔️ Breathing by aiding lung expansion.
Which chamber of the heart pumps blood to the body?
✔️✔️ The left ventricle.
What is the function of saliva?
✔️✔️ Starting digestion of food.
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