Respiratory and Digestion

Front

Which part of the brain controls breathing?

Back

The medulla oblongata controls breathing.

Front

Identify the structure that branches from the trachea and leads to the lungs.

Back

Bronchi are the structures that branch from the trachea and lead to the lungs.

Front

What happens during inspiration?

Back

During inspiration, the diaphragm contracts and pulls down to cause air to rush into the thoracic cavity.

Front

What is the main function of the respiratory system?

Back

The main function of the respiratory system is to provide oxygen and remove carbon dioxide from the body.

Front

What is the oxygen carrying molecule found on red blood cells?

Back

Hemoglobin is the oxygen carrying molecule found on red blood cells.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts to create a vacuum that allows air to enter the lungs.

Front

What is the function of alveoli in the respiratory system?

Back

Alveoli are tiny air sacs where gas exchange occurs, allowing oxygen to enter the blood and carbon dioxide to be expelled.

Front

Define the term 'trachea'.

Back

The trachea, or windpipe, is a tube that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What is the process of gas exchange in the lungs called?

Back

The process of gas exchange in the lungs is called respiration.

Front

What is the significance of hemoglobin in the blood?

Back

Hemoglobin binds to oxygen in the lungs and transports it to tissues throughout the body.