respiratory system

What Is Respiratory System?

• The respiratory system is responsible for digestion and nutrient absorption.
• The respiratory system circulates blood throughout the body.
• The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide.

• The respiratory system is primarily involved in the production of hormones.

What Does The Respiratory System Contain?

• Skin, hair, nails, sweat glands.
• nose, mouth, throat, voice box, windpipe, and lungs.

• Stomach, intestines, liver, pancreas.
• Heart, arteries, veins, capillaries.

What is the main organ?

• Heart or Brain
• Liver
• Lungs
• Kidneys

Main Components of the Airway

• Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles
• Trachea, esophagus, stomach, intestines
• Nasal passages, vocal cords, lungs, heart
• Alveoli, diaphragm, pleura, capillaries

Muscles Of Respiration and How It Works?

• The heart and lungs are the primary muscles of respiration.
• The abdominal muscles are the only muscles involved in breathing.
• The diaphragm and intercostal muscles are the primary muscles of respiration.
• The pectoral muscles are responsible for inhalation and exhalation.