Assignment 11

How many teeth are present in adults' mouth cavity

• 32

• 23

• 28

• 21

How many bones are present in a single ear

• 6

• 3

• 206

• 63

Which are not a internal organs

• 
• 
• 
• 

__________controls the other organs.

• Lungs

• Brain

• Kidneys

• stomach

Which body system lets you breathe oxygen in and carbon dioxide out?

• respiratory system
• circulatory system
• excretory system
• none of the above

Identify the given picture.

• muscles

• skeleton

• stomach

• liver