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Muscles of Respiration
N/A
9
Biology
Undergraduate 1
11/11/2013

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Cards

Term
Diaphragm - Origin
Definition
Xiphoid process of sternum, ribs, and costal cartilages 7-12, lumbar vertebrae
Term
Diaphragm - Insertion
Definition
Central tendon of diaphragm
Term
Diaphragm - Action
Definition
Inhalation
Term
External intercostals - Origin
Definition
Inferior margins of R1 - R11
Term
External intercostals - Insertion
Definition
Superior margin of next lower rib
Term
External intercostals - Action
Definition
Elevate, protract R2 - R12
Term
Internal intercostals - Origin
Definition
Superior margins and costal cartilages of R2 - R12; Margin of sternum
Term
Internal intercostals - Insertion
Definition
Inferior margin of next higher rib
Term
Internal intercostals - Action
Definition
Depress, retract R1 - R11
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