Bio 109 Chapter 10

Gas exchange between inhaled air and the blood is accomplished by the __________ and the __________.

alveoli; pulmonary capillaries

Burning of carbon-based fuels can produce which one of the following, an odorless gas that competes with oxygen for binding to hemoglobin.

carbon monoxide

Unlike capillaries in the systemic circuit, in the pulmonary circuit, __________ blood enters the capillaries from the arterioles and __________ blood leaves the capillaries for the venules.

deoxygenated; oxygenated

During the ingestion of food or liquid, which one of the following tips to block the opening to the trachea?

epiglottis

Which of the following lists the order of structures through which air will pass during inspiration?

nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli

Most of the carbon dioxide released by cells is transported in the venous supply in what form?

soluble bicarbonate ion

Mucus in the nasal cavity functions to __________.

trap dust and pathogens in incoming air

Oxygen-rich blood flows through the heart

via the left atrium and ventricle before entering the systemic circuit

The maximal volume of air that can be exhaled after a maximal inhalation is the __________.

vital capacity