Which organ is protected by the rib cage and helps in breathing?
- Liver
- Kidneys
- Lungs
- Heart
Answer: c) Lungs
What is the function of the large intestine?
- Digest food
- Absorb nutrients
- Absorb water and create stool
- Pump blood
Answer: c) Absorb water and create stool
Which organ is described as a muscular, elastic, pear-shaped bag?
- Heart
- Liver
- Stomach
- Bladder
Answer: c) Stomach
What does the brain store and help us to do?
- Pump blood
- Filter toxins
- Think and learn new things
- Digest food
Answer: c) Think and learn new things
Which organ breaks down fats and controls blood sugar?
- Heart
- Liver
- Kidneys
- Stomach
Answer: b) Liver
What is the primary function of the heart?
- Digest food
- Control emotions
- Circulate blood
- Filter toxins
Answer: c) Circulate blood
How are veins different from arteries in appearance and function?
- Veins are red and carry oxygenated blood; arteries are blue and carry deoxygenated blood.
- Veins are blue and carry deoxygenated blood; arteries are red and carry oxygenated blood.
- Veins are blue and carry oxygenated blood; arteries are red and carry deoxygenated blood.
- Veins are red and carry deoxygenated blood; arteries are blue and carry oxygenated blood.
Answer: b) Veins are blue and carry deoxygenated blood; arteries are red and carry oxygenated blood.
Where does gas exchange take place in our body?
- Heart
- Liver
- Lungs
- Stomach
Answer: c) Lungs
Which organ is a pair of bean-shaped structures?
- Heart
- Lungs
- Kidneys
- Liver
Answer: c) Kidneys
What happens during inhalation and exhalation in the lungs?
- Inhalation: lungs contract; Exhalation: lungs expand
- Inhalation: lungs expand; Exhalation: lungs contract
- Inhalation: lungs filter blood; Exhalation: lungs pump blood
- Inhalation: lungs absorb food; Exhalation: lungs release waste
Answer: b) Inhalation: lungs expand; Exhalation: lungs contract
