human respiratory system

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

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

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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

• throat/pharynx

• nose

• lungs

• diaphragm

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

• bronchi

• larynx

• pharynx

• alveolar sacs

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

• larynx

• pharynx

• windpipe/ trachea

• lungs

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

• bronchi

• bronchioles

• lungs

• alveolar sacs

These are passages that branched off from the bronchi. These are tubes that hold the air sacs or alveolar.

• bronchioles

• alveolar sacs

• mouth

• nose

These are tiny sacs inside the lungs. It is the part where the exchange of gas takes place. It is the part where oxygen is taken in and carbon dioxide is carried out.

• pharynx

• larynx

• diaphragm

• alveolar sacs

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

• lungs

• bronchi

• bronchioles

• pharynx

It is a thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest. It contrast and flattens when you inhale. It creates a vacuum effect that pulls air into the lungs. It relaxes when you exhale.

• diaphragm

• lungs

• nose

• trachea