The three pairs of muscles attached to the outside of the eyeball that are used for eye movement are called ________ muscles.

A. extrinsic
B. intrinsic


Answer: A

Anatomy & Physiology

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In the reaction shown, identify the role of each of the participants.



1. CO2 + H2O
2. carbonic anhydrase
3. H2CO3

Anatomy & Physiology

Maintaining homeostasis relies on

A) short-term behavioral changes. B) short-term physiological changes. C) long term strategies. D) all of the above

Anatomy & Physiology

The thick white capsule that covers each testes is called the

A. raphe. B. tunica adventitia. C. tunica albuginea. D. Leydig capsule. E. tunica alba.

Anatomy & Physiology

Neurotransmitter action is usually brief because neurotransmitters, such as acetylcholine, are _________________

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

Anatomy & Physiology