Respiratory system in Humans

The respiratory system is a vital system in the human body that aids in the exchange of gases between the body and the surroundings. It is responsible for supplying oxygen to the body's tissues and removing carbon dioxide, a waste product, from the body.

Organs in the Respiratory System

The respiratory system in humans consists of the following organs:

1. Nose: The nose is the primary organ in the respiratory system that helps in breathing. It filters, warms, and moistens the air that enters the body.

2. Lungs: The lungs are the main organs of the respiratory system. They are located in the chest and are responsible for the exchange of gases between the body and the surroundings.

3. Windpipe: The windpipe, also known as the trachea, is a tube that connects the nose and mouth to the lungs. It allows air to pass through and helps in breathing.

Functions of the Respiratory System

The respiratory system performs the following functions:

1. Breathing: The respiratory system helps in inhaling oxygen and exhaling carbon dioxide.

2. Gas Exchange: The lungs are responsible for the exchange of gases between the body and the surroundings.

3. Filteration: The nose filters the air that enters the body, removing dust, dirt, and other particles.

4. Moistening: The nose moistens the air that enters the body, preventing dehydration of the respiratory tract.

5. Warming: The nose warms the air that enters the body, preventing damage to the respiratory tract.

Conclusion

In conclusion, the respiratory system in humans consists of the nose, lungs, and windpipe. These organs work together to perform the vital function of supplying oxygen to the body's tissues and removing carbon dioxide from the body. It is essential to keep the respiratory system healthy by avoiding smoking, air pollution, and other harmful substances that can damage the respiratory tract.

B)Heart, lungs,wind pipe