Respiratory System Deck

• to sustain life • to help regulate body temperature by cooling and warming the blood • to produce audio sounds

the physical act of breathing

occurs when the intercostal muscles contract, leading to the lifting and separation of the ribs

involuntary

the transfer of oxygen and carbon dioxide between the environment and the bloodstream in the lungs

the transfer of gases between the bloodstream and the cells of the body

energy, water, and carbon dioxide

the process by which the oxygen molecules are loaded onto the hemoglobin molecules in the bloodstream

21%

5%

the upper and lower airways

the nasal cavity’s mucous membranes and tiny hairs called cilia

hollow spaces in the skull that connect to the nasal cavity

to moisten and filter the air, to help regulate the temperature of the air before it reaches the lungs, to give the air a place to vibrate as it exits to augment the sound of the voice

to give the air a place to vibrate as it exits to augment the sound of the voice

where the esophagus and the trachea branch off

contains the hard palate and the soft palate

the small, leaf-like flap of tissue at the bottom of the laryngopharynx

contains the base of the tongue, tonsils, and vallecula

produce audio sounds as air passes over them

the scientific term for the Adam’s apple

the only completely circular ring of cartilage in the upper airway

the passageway for air into the lungs that marks the beginning of the lower airway

where the trachea splits into two passages after it extends from the cricoid cartilage