Unit 10 Respiratory System

System of organs involved in the acquisition of oxygen and the elimination of carbon dioxide that consists of the airways, lungs, and respiratory muscles which mediate the movement of air into and out of the body

• Respiratory System
• Inspiration
• Expiration
• Ventilation

Breathing in

• Inspiration
• Expiration
• Ventilation
• Nose

Breathing out

• Expiration
• Ventilation
• Nose
• External Nostrils

Act of supplying fresh air

• Ventilation
• Nose
• External Nostrils
• Internal Nostrils

Warm, moisten, and filter incoming air; receive smell and modify speech sounds

• Nose
• External Nostrils
• Internal Nostrils
• Nasal Septum

Openings to the nose

• External Nostrils
• Internal Nostrils
• Nasal Septum
• Pharynx

Opening into the pharynx

• Internal Nostrils
• Nasal Septum
• Pharynx
• Nasopharynx

Divides the nasal cavity into the left and right halves

• Nasal Septum
• Pharynx
• Nasopharynx
• Oropharynx

Funnel-shaped tube located in the throat, which starts at the internal nostrils and extends to the larynx, and houses the tonsils

• Pharynx
• Nasopharynx
• Oropharynx
• Laryngopharynx

Connects the nose to the pharynx

• Nasopharynx
• Oropharynx
• Laryngopharynx
• Larynx