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12.1: Vertebrate Characteristics

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

antibody

antibody

Large, Y-shaped protein produced by B cells that recognizes and binds to antigens in a humoral immune response.
backbone

backbone

Bony support structure that runs down the back of a vertebrate animal; also called a vertebral column.
bone

bone

Hard tissue in most vertebrates that consists of a collagen matrix, or framework, filled in with minerals such a calcium.
cartilage

cartilage

Dense connective tissue that provides a smooth surface for the movement of bones at joints; involved in endochondral ossification.
cranium

cranium

Part of a vertebrate endoskeleton that encloses and protects the brain; also called the skull.
endoskeleton

endoskeleton

Internal skeleton that provides support and protection.
immune system

immune system

Body system that consists of skin, mucous, membranes, and other tissues and organs that defends the body from pathogens and cancer.
kidney

kidney

Main organ of the excretory system that filters blood and forms urine.
vertebrae

vertebrae

(singular, vertebra): Repeating bony units that make up the vertebral column of vertebrates.
vertebral column

vertebral column

Bony support structure that runs down the back of a vertebrate animal; also called a backbone.

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Difficulty Level:

At Grade

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Date Created:

Feb 24, 2012

Last Modified:

May 30, 2015
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