Respiratory System

it is the part where the air that we inhale enters and carries out the air that we exhale.

• Nose

• Nasal cavity

• Mouth

• Throat (Pharynx)

It is a hollow cavity that allows food and air to enter the body.

• Nose

• Nasal cavity

• Mouth

• Throat (Pharynx)

It is a muscular tube that runs from the back of your nose down into your neck It is the passageway of the air entering the nasal cavity up to the esophagus and larynx.

• Nose

• Nasal cavity

• Mouth

• Throat (Pharynx)

It is the part found inside the nose

It is also lined with a mucous membrane that helps keep the nose moist

It is also lined with hairlike structures called cilia which helps trapped dirt entering the nose

• Nose

• Nasal cavity

• Mouth

• Throat (Pharynx)

It serves as the passageway of air between the pharynx above and trachea below. It plays an essential role in human speech

• Voice Box (Larynx)

• Windpipe (Trachea)

• Bronchial tubes or Bronchi

• Bronchioles

These are passages that branched off from the bronchi. These are tubes that hold the airsacs or alveoli.

• Voice Box (Larynx)

• Windpipe (Trachea)

• Bronchial tubes or Bronchi

• Bronchioles

It is a tube that is about 4 inches long. It is found just under the larynx or voice box and then divides into 2 smaller tubes called bronchi.

• Voice Box (Larynx)

• Windpipe (Trachea)

• Bronchial tubes or Bronchi

• Bronchioles

These are tubes which serves as the main passageway of the air entering the lungs.

• Voice Box (Larynx)

• Windpipe (Trachea)

• Bronchial tubes or Bronchi

• Bronchioles

These are pair of spongy, air-filled organs located on either side of the chest or thorax.

• Air sacs or Alveoli

• Windpipe (Trachea)

• Lungs

• Diaphragm

It contracts and flattens when you inhale. It creates a vacuum effect that pulls air into the lungs. It relaxes when you exhale.

• Air sacs or Alveoli

• Windpipe (Trachea)

• Lungs

• Diaphragm