The Hemichordate "Notochord" Is

question 14

Multiple Choice

The hemichordate "notochord" is

• A)the feature proposed by Bateson to include this animal with the chordates.
• B)a buccal diverticulum.
• C)not homologous with the chordate notochord.
• D)All of the choices are correct.
• E)None of the choices is correct.

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Definitions:

Venules

Small blood vessels that allow deoxygenated blood to return from the capillary beds to the larger blood veins.

Capillary Networks

A complex, interconnected web of capillaries that facilitates efficient exchange of oxygen, nutrients, and waste products between blood and tissues.

Laplace's Law

A principle that describes the relationship between the pressure, volume, and tension of spherical and cylindrical shapes, often applied in cardiovascular and respiratory physiology.

Pressure Differences

Variations in pressure between two areas, which can result in fluid or air movement from the higher pressure area to the lower pressure area.