During a biology lab, Erin used a cotton swab to remove some tissue from the inner side of her cheek. She then placed the tissue on a slide to examine it under the microscope. When Erin examined the cells under the microscope, what shape were the cells?
a. squamous
b. cuboidal
c. columnar
d. circular
a. squamous
Anatomy & Physiology
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The pupils should constrict when light is placed within them
Indicate whether the statement is true or false
Anatomy & Physiology
Exocrine glands secrete substances directly into the interstitial fluids of the body.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
This group of organic compounds acts as surfactants.
A. Phospholipids B. Carbohydrates C. Nucleic acids D. Prostaglandins
Anatomy & Physiology
Air entering the body is filtered, warmed, and humidified by the
A) upper respiratory tract. B) lower respiratory tract. C) lungs. D) alveoli. E) bronchioles.
Anatomy & Physiology