Mucus

Definition

Mucus is a slippery secretion produced by, and covering, mucous membranes. It plays a crucial role in protecting and lubricating various parts of the body, including the respiratory system.

5 Must Know Facts For Your Next Test

1. Mucus helps trap and eliminate pathogens and particulates from the respiratory tract.
2. Adequate hydration is essential for proper mucus production and function.
3. Certain nutrients like vitamin A and C play vital roles in maintaining healthy mucous membranes.
4. Excessive mucus production can be a symptom of pulmonary conditions such as chronic obstructive pulmonary disease (COPD) and asthma.
5. Dietary interventions, including reducing dairy intake, may help manage excessive mucus production in some individuals.

Review Questions

• What role does mucus play in the respiratory system?
• How does hydration impact mucus production?
• Which vitamins are important for maintaining healthy mucous membranes?

Related terms

Hydration:

The process of providing adequate fluids to the body to maintain physiological functions.

Vitamin A:

A fat-soluble vitamin important for maintaining healthy vision, skin, and mucous membranes.

Chronic Obstructive Pulmonary Disease (COPD):

A group of lung conditions that cause breathing difficulties by obstructing airflow.