The mucosa-lined windpipe that extends from the larynx to the level of the fifth thoracic vertebra is called the ________.

a. nephron
b. cilia  
c. trachea
d. renal cortex
e. afferent arteriole


trachea

Anatomy & Physiology

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Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.

a. true b. false

Anatomy & Physiology

What type of receptors do norepinephrine and epinephrine bind in the heart?

A. Muscarinic B. ?1-adrenergic C. Nicotinic D. ?-adrenergic

Anatomy & Physiology

If the axon of a neuron was severed, this would likely hinder its ability to __________.

A. receive signals B. send signals C. remove metabolic wastes D. synthesize proteins

Anatomy & Physiology

Mr. Schmitzer has pulmonary fibrosis in which the elastic tissue of his lungs is replaced with dense irregular collagenous connective tissue. His condition primarily affects:

A) surfactant production. B) airway resistance. C) alveolar surface tension. D) pulmonary compliance.

Anatomy & Physiology