The atrioventricular bundle (of His) originates at the sinoatrial node.

a. true
b. false


Answer: b. false

Anatomy & Physiology

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At the zone of overlap between the thin and thick filaments, the individual tubules of the reticulum enlarge, fuse, and form expanded chambers called ________.

Fill in the blank(s) with the appropriate word(s).

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Binding of ____________________ to nicotinic receptors is always excitatory

Fill in the blank(s) with correct word

Anatomy & Physiology

Kupffer cells lurk in the liver, searching for invaders. Where in the liver do they lurk?

A) hepatic sinusoids B) bile canaliculi C) perisinusoidal space D) lymph vessels E) interlobular septum

Anatomy & Physiology

The afterbirth refers to the

A. umbilical cord. B. cloaca. C. placenta. D. effacement.

Anatomy & Physiology