The Body System That Provides Support and Protection as Well

question 25

Multiple Choice

The body system that provides support and protection as well as being a site of blood cell production (hemopoiesis) is the ____________ system.

• A)skeletal
• B)muscular
• C)cardiovascular
• D)respiratory
• E)lymphatic

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Definitions:

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cones, specialized for daylight vision, fine detail, and color.

Cones

Photoreceptor cells in the retina of the eye that function best in relatively bright light and enable the perception of color.

Rods

Photoreceptor cells in the retina of the eye that are responsible for vision in low light conditions.

Nonspectral Colors

Colors that do not appear in the visible spectrum and are perceived through the combination of two or more wavelengths, such as pink or brown.