vertebral column

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Question

Answer

The vertebral column encloses and protects the

Spinal cord

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The number of separate bones in the vertebral column of an adult is

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The seventh cervical vertebra

Vertebra prominens

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Supports the weight of the head and trunk in the vertebrae

The body

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Separate adjacent vertebrae, and they soften the forces created by walking

Invertebral discs

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The inter vertebral foramina provide passageways for

Spinal nerves

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Transverse foramina of what vertebrae serve as passageways for blood vessels leading the the brain

Cervical

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The first vertebra is called

Atlas

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When the head is moved from side to side, the first vertebra pivots around the

Axis of the second vertebra

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What vertebrae have the largest and strongest bodies?

Thoracic

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The number of vertebrae that fuse to form the sacrum is

Five[]

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The adult skeleton of most men and women contains a total of

206 bones

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The last two pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called

Floating ribs

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How many pairs of true ribs are there?

Seven

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Costal cartilages are composed of

Connective tissue

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The manubrium articulates with what on its superior border?

Clavicles

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Three general functions of the thoracic cage

Protects the heart and lungs, provides attachment for the pectoral girdle, and creates a vacum that draws air into the lungs

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A band of tough connective tissue in the midline of the anterior abdominal wall... also serves as a muscle attachment

Linea alba

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What muscle spans from the costal cartilages and sternum to the pubic bones?

Rectas abdominus

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What forms the third layer of the abdominal wall muscles?

Transverse abdominal

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Action of the external oblique muscle is to

Compress the abdomin and rotate and flex the vert. column

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The iliocostalis, longissimus, and spinalis muscles together form the

Erector spinae

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What has the origin on the iliac crest and the insertion of rib 12 and L1-L4 vertebrae

Quadrous lumborum

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The levator ani and coccygeus together form the

pelvic diaphragm

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The posterior portion of the perineum is called the

Anal triangle

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What surrounds the base of the penis?

Bulbospongiosus

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In females, the bulbospongiosus acts to constrict the

Vagina

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In the female, the pelvic floor is penetrated by the urethra, vagina, and

Anus

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In the female, what muscles are separated by the vagina,urethra and anal canal?

Perineal

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Name five muscles in the pelvic outlet that males and females both have

Bulbospongiosus, Ischiocavernosus, Levator ani, Coccygeus, Superficial transverse, perineal muscles

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Created by: Tennessee_girl21