UWEC BIO 314 Exam 3: Enzymes, Digestive System, and Respiratory System

_________________ refers to gas exchange from the atmosphere to the blood to the cells

Respiration

________________ describes the mechanical process of moving air into and out of the lungs

Ventilation

________________ is breathing air into the lungs

inhalation

________________ is breathing air out of the lungs

exhalation

________ ________________ describes the movement of gases across the membrane

gas exchange

______________ gas exchange is between lungs and blood (oxygenation)

alveolar

______________ gas exchange is between blood and tissue cells (deoxygenating)

systemic

The _____________ respiratory system consists of the nasal cavity, pharynx, larynx and trachea

upper

The _____________ respiratory tract consists of the bronchial tree and the lungs (in thorax)

lower

The ________________ zone consists of passageways that warm, humidify and cleanse incoming air before reaching the respiratory zone

conductive

The ________________ zone is the actual site of gas exchange in the lungs

respiratory

The external portion of the ________ consists of ...Bone, Cartilage covered with muscle, Dense connective tissue, & Skin

nose

The ______________ __________ (nostrils) are openings that allow air into the nose

external nares

The ____________ ______________ is a hollow space extending into the facial bones of the skull

nasal cavity

The anterior portion of the nasal cavity just inside the nostrils is the _____________

vestibule

The internal structures of the nose function in modifying ____________ _____________

speech sounds

The internal structures of the nose function in warming, moistening and filtering ______________ air

incoming