Select all structures that are components of the human outer ear.

A. modified sweat glands
B. pinna
C. auditory canal
D. all of the above


Ans: D. all of the above

Anatomy & Physiology

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The area of the retina that contains a high density of photoreceptors and enables us to focus on a particular object is called __________.

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

Anatomy & Physiology

Most of the DNA in the human genome encodes protein

Indicate whether the statement is true or false

Anatomy & Physiology

The gradation of whole-muscle tension depends on the number of ____________________ that contract

Fill in the blank(s) with correct word

Anatomy & Physiology

The Staphylococcus infection of the skin that causes pink, water-filled, raised lesions is known as ________

A) impetigo B) cold sores C) psoriasis D) contact dermatitis

Anatomy & Physiology