1. Which organ filters waste from the blood ?
The kidneys filter wastes and excess substances from the blood to form urine.
2. Which organ helps digest food ?
The stomach helps break down food during digestion.
3. Which organ controls most activities of the body ?
The brain controls and coordinates many functions of the body.
4. Which is the largest organ of the human body ?
The skin is the body's largest organ.
5. How many bones are there in an adult human body ?
A typical adult human skeleton has 206 bones.
6. Which organ is mainly responsible for breathing ?
The lungs take in oxygen and remove carbon dioxide.
7. Which organ pumps blood throughout the body ?
The heart pumps blood to all parts of the body.
8. How many chambers does the human heart have ?
The human heart has four chambers—two atria and two ventricles.