Chapter 13: Respiratory System

Front

What is the function of the C-shaped rings of cartilage in the trachea?

Back

hold open the trachea

Front

Which lung is larger, the right or the left?

Back

Right lung

Front

What is pulmonary ventilation?

Back

breathing in and out

Front

According to Boyle's Law, if the volume of a closed container is decreased, pressure will ___?

Back

increase

Front

What occurs in the lungs during external respiration?

Back

Oxygen moves from alveoli to blood.

Front

Gases move based on pressure and concentration gradients in the lungs and at the body tissues. What is the process called?

Back

Diffusion

Front

What percentage of oxygen is transported by hemoglobin in the red blood cells?

Back

98.5%

Front

Hemoglobin has a higher affinity for which gas, leading to potential poisoning?

Back

Carbon Monoxide

Front

What percentage of carbon dioxide is carried as the bicarbonate ion (HCO3-) in the blood?

Back

70%

Front

What is cyanosis?

Back

Skin turns blue due to hypoxia