Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
How many chemicals are used in tobacco smoke?
Answer: When we smoke tobacco, we are inhaling very harmful chemicals. The number of chemicals present in a cigarette is nearly 300.
- Why thumb should not be used while checking pulse?
- What are stomata?
- What is mechanical process in digestion?
- What is anther and what does it contain?
- What happen when we exhale?
- What is constipation?
Musculoskeletal System Video