In animals, the first line of defense against pathogens is the ______________

Fill in the blank with the correct word.


Answer: skin or external surface

Anatomy & Physiology

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Which area of the myogram shows a sustained contraction where individual twitches are indiscernible?

a) A b) B c) C d) D e) none of these choices

Anatomy & Physiology

The thymus gland is located within the mediastinum, ________ to the heart and ________ to the sternum.

A. inferior; posterior B. superior; posterior C. superior; anterior D. posterior; inferior E. inferior; anterior

Anatomy & Physiology

The products of the first meiotic division of spermatogenesis are spermatids

Indicate whether the statement is true or false.

Anatomy & Physiology

Which muscle is not unique to the pelvic region?

A. gluteal B. rectus abdominis C. iliacus D. piriformis

Anatomy & Physiology