Version A Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
Which system includes the brain, spinal cord, and nerves?
✔✔Nervous system
What is the name of the protein in red blood cells that binds oxygen?
✔✔Hemoglobin
Which chamber of the heart receives oxygen-poor blood from the body?
✔✔Right atrium
What structure prevents food from entering the airway during swallowing?
✔✔Epiglottis
What is the function of the lymphatic system?
1
,✔✔Return fluid to the bloodstream and fight infection
What type of muscle makes up the walls of internal organs?
✔✔Smooth muscle
What is the main function of the lungs?
✔✔Exchange oxygen and carbon dioxide with the blood
Which organ pumps blood throughout the body?
✔✔Heart
What is the basic unit of structure and function in the human body?
✔✔Cell
What type of tissue covers body surfaces and lines cavities?
✔✔Epithelial tissue
Which organ filters blood and produces urine?
2
,✔✔Kidney
What type of blood cell is responsible for carrying oxygen?
✔✔Red blood cell
Which organ system controls body functions using hormones?
✔✔Endocrine system
Which part of the brain controls balance and coordination?
✔✔Cerebellum
What structure connects muscles to bones?
✔✔Tendon
What part of the eye is responsible for detecting light and sending signals to the brain?
✔✔Retina
Which body system is responsible for transporting nutrients, gases, and waste?
3
, ✔✔Circulatory system
Which organ stores and concentrates bile?
✔✔Gallbladder
Which part of the digestive tract absorbs most nutrients?
✔✔Small intestine
What is the name of the muscular tube that carries food from the mouth to the stomach?
✔✔Esophagus
What muscle separates the chest cavity from the abdominal cavity and assists in breathing?
✔✔Diaphragm
What is the function of white blood cells?
✔✔Fight infection
Which bone protects the brain?
4