Respiratory System

Front

a flap of cartilage behind the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.

Back

Epiglottis

Front

Process of Taking air in to Lungs

Back

Inspiration

Front

Another name of voice box

Back

Larynx

Front

The bone that protects the lungs

Back

Ribcage

Front

The strong muscle under the lungs that helps a person breathe

Back

Diaphragm

Front

Muscle seen between the ribs which helps in breathing

Back

Intercostal muscle

Answer explanation

When the Intercostal muscle contracts the volume of lung increases hence inspiration takes place .

When Intercostal muscle relaxes , the volume of lungs decreases hence expiration takes place .

Front

Site of gas exchange

Back

Alveoli

Front

The gas your body breathes in that helps to breakdown food for energy

Back

Oxygen

Front

Inspiratory gas of plants ( Think and answer !!!!!!!) Options: Carbon dioxide, Oxygen, Hydrogen peroxide, Hydrogen sulphide

Back

Oxygen

Front

What carries oxygen around the body?

Back

Blood