Respiratory System Flashcard

Front

What is the narrow upper part of each lung called?

Back

Apex

Front

What lines the pharynx in the upper respiratory tract?

Back

Mucous membrane

Front

What role do cilia play in the respiratory mucosa?

Back

They move mucus upward to the pharynx for removal.

Front

What is the primary difference between inspiration and expiration in terms of process type?

Back

Inspiration is active, expiration is passive.

Front

Identify the structure that connects the pharynx to the lungs.

Back

Trachea

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm contracts to create a vacuum that pulls air into the lungs.

Front

What are alveoli and their role in the respiratory system?

Back

Alveoli are tiny air sacs where gas exchange occurs between air and blood.

Front

What is the function of the pleura in the respiratory system?

Back

The pleura are membranes that surround the lungs and reduce friction during breathing.

Front

What is the primary muscle involved in the process of inspiration?

Back

Diaphragm.

Front

What is the significance of the trachea's C-shaped cartilage rings?

Back

They provide structural support and keep the trachea open for airflow.