BIO 202 SI - Unit 3 Practice Exam_Answer Key

Lymphatic Duct

A vessel that carries lymph from the lymphatic system to the circulatory system.

Spleen

The organ responsible for blood filtration and is often termed the 'graveyard' for red blood cells.

Pathway of Air

The route air takes begins at the nose, progressing through the pharynx, larynx, trachea, bronchi, bronchioles, terminal bronchioles, respiratory bronchioles, alveolar ducts and sacs, and ending in the alveoli.

Boyle’s Law

A principle stating that the pressure of a gas decreases as its volume increases, which applies to inspiration.

Carbaminohemoglobin

A form of hemoglobin that has carbon dioxide bonded to it.

Functional Residual Capacity

The volume of air remaining in the lungs after a normal expiration, calculated as the sum of residual volume and expiratory volume.

Inspiration

The process of inhaling air, which occurs when lung volume increases and lung pressure decreases.

Capillary Hydrostatic Pressure

The pressure exerted by the blood within the capillaries that influences the movement of fluids into and out of tissues.

Valves in Veins

Structures that prevent backflow of blood and are present in veins but absent in arteries.

Decreased Firing of Baroreceptors

A condition which inhibits the sympathetic nervous system (SNS) in response to low blood pressure.