Opening a bottle of perfume releases perfume molecules from the container, and within a few minutes the perfume can be smelled by a person many feet away from the bottle. This illustrates

A) diffusion.
B) facilitated diffusion.
C) osmosis.
D) filtration.
E) active transport.


A) diffusion.

Anatomy & Physiology

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A deficiency of ____________________ in the blood reduces the blood-colloid osmotic pressure

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following is produced within red bone marrow?

A) adipose tissue B) protein C) blood cells D) calcium E) All of the answers are correct.

Anatomy & Physiology

The hypothalamo-hypophyseal portal system

a. carries vasopressin and oxytocin from the hypothalamus to the posterior pituitary for storage. b. carries hypophysiotropic hormones from the hypothalamus to the posterior pituitary to control the release of posterior pituitary hormones. c. carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary to control the release of anterior pituitary hormones. d. carries vasopressin and oxytocin from the hypothalamus to the anterior pituitary to control the release of anterior pituitary hormones. e. both (b) and (c) above.

Anatomy & Physiology

The reaction sucrose + water ? glucose + fructose is an example of a(n) ________

A) double replacement reaction B) synthesis reaction C) decomposition reaction D) neutralization reaction E) anabolic reaction

Anatomy & Physiology