What does the respiratory system do?
Connects the nasal and oral cavities
Protecting the body from harmful substances
Helping the lungs expand and contract
The sense of smell
Moisturizing air to the right humidity
Carries mucus upward to get rid of unwanted matter that invaded the lungs
Bringing air to the proper body temperature
Sinuses are holloe spaces in the bones of the head.
Sinuses help regulate the temperature and humidity.
The preferred method of breathing is through the mouth.
What is cilia?
The formal name for the rings of cartilidge that make up the trachea
The two membranes that surround each lobe
Small hairs in the nose
What is the formal name for the throat?
The (or formally known as the trachea) is the passage leading from the throat to the lungs.
The right lung is divided into ____ lobes, and the left lung is divided into ____ lobes.
Pleura lines the lungs and separates the lungs from the chest wall.
The smallest subdivisions of the brochial tubes are called ______________, at the end of which are the air sacs or alveoli.
The alveoli catches hold of dust and germs & pushes it out of the body.
The is the strong wall of muscle that separates the chest cavity from the abdominal cavity.
What is the purpose of the ribs?
help lungs expand and contract
The epiglotis is the flap that covers the pharynx.
Lungs: smooth muscle tissue?