________, especially those in the arms and legs, have valves to prevent backflow.

A. Veins
B. Capillaries
C. Arteries


Answer: A

Anatomy & Physiology

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Magnesium atoms have two electrons in the outermost shell. As a result, you would expect magnesium to form ions with a charge of

A) +1. B) +2. C) -1. D) -2. E) either +2 or -2.

Anatomy & Physiology

Which of the following chewing muscles attaches to the sphenoid bone?

A. Masseter B. Genioglossus C. Temporalis D. Lateral pterygoid E. Digastric

Anatomy & Physiology

When a person has an asthma attack, they might experience difficulty breathing, also known as __________.

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

Anatomy & Physiology

By ____________________, a stimulus of the same intensity does not elicit a receptor potential of the same magnitude

Fill in the blank(s) with correct word

Anatomy & Physiology