Columbia Encyclopedia

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penis

(Encyclopedia)penis: see reproductive system.

reflex

(Encyclopedia)reflex: see nervous system.

peristalsis

(Encyclopedia)peristalsis: see digestive system. ...

nephron

(Encyclopedia)nephron: see urinary system.

nerve

(Encyclopedia)nerve: see nervous system.

villi

(Encyclopedia)villi: see digestive system.

vagina

(Encyclopedia)vagina: see reproductive system. ...

sweatshop

(Encyclopedia)sweatshop: see sweating system.

gray matter

(Encyclopedia)gray matter: see nervous system. ...

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