How does the respiratory system related to the digestive system?
both systems share the pharynx and the mouth
Pharynx
the passage that leads from the cavities of the nose and mouth to the larynx
What is the diaphragm? (2 part answer)
1. A muscle that separates the abdominal cavity from the thoracic cavity & 2. Pushes and pulls against the lungs as we breathe
What are numbers 5 & 9 on the diagram?
Bronchus
What is number 8 on the diagram?
Trachea
What is number 7 on the diagram?
Pharynx
What is the. main function of the respiratory system?
The main function of the respiratory system is the exchange of gasses - oxygen enters the body and carbon dioxide is removed.
Larynx
hollow muscular organ which holds the vocal cords (voice box) which produce sound
How is the respiratory systems related to the circulatory system?
the blood from the circulatory system has to pass through the lungs where carbon dioxide is released from the blood and oxygen is picked up into the blood
What is the main organ of the respiratory system?
the lungs
Diaphragm
a sheet of internal skeletal muscle that pulls and pushes against the lungs as we inhale and exhale
Bronchioles
the smallest air passageways coming off of the bronchi
What is number 1 on the diagram?
Nose or nasal cavity
Cilia
tiny hair-like structures that line your respiratory pathways & filter the air we breathe
What is number 11 on the diagram?
Alveoli
Epiglottis
flap of elastic cartilage attached to the larynx that closes when food passes by
Bronchus
the 2 major air passages leading from the trachea to the lungs
Trachea
a hollow tube (wind pipe) that connects the larynx to the right and left bronchus
Lungs
the organ that carries out the exchange of oxygen and carbon dioxide
Alveoli
the air sacks at the end of the bronchioles where the gas exchange takes place
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