Quiz on the Human Respiratory System from PPT

What is the primary function of the respiratory system?

• To circulate blood

• To bring air from the atmosphere

• To digest food

• To produce hormones

Which part of the respiratory system is responsible for gas exchange?

• Nose

• Diaphragm

• Windpipe

• Lungs

What are the tiny sacs in the lungs called?

• Trachea

• Lobes

• Alveoli

• Bronchi

What is the function of the diaphragm?

• To remove carbon dioxide

• To transport oxygen

• To help in the breathing process

• To filter air

What happens to the ribcage during inhalation?

• It contracts

• It expands outward and upward

• It remains the same

• It moves downward

What is the windpipe also known as?

• Bronchus

• Trachea

• Lungs

• Alveoli

How does air move into the lungs?

• By blood circulation

• Through the nose and windpipe

• Through the skin

• By diffusion

What is the process of breathing primarily considered?

• A chemical process

• A mechanical process

• A biological process

• A physical process

What gas is removed from the blood during respiration?

• Hydrogen

• Carbon dioxide

• Nitrogen

• Oxygen

What happens to the diaphragm during exhalation?

• It contracts

• It moves downward

• It expands

• It relaxes