Which of the following is NOT a surface barrier serving as the first line of defense?
A) antibody B) mucus C) keratin D) oil
Answer: A
Anatomy & Physiology
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The arm is more technically referred to as the ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which best describes a "myofibril"?
A. It is composed of a single type of protein and forms cross-bridges. B. It is a cylindrical cellular organelle composed of myofilaments. C. It is a single skeletal muscle cell. D. It is a fibrous junction between a muscle cell and a tendon. E. It is a hollow membranous structure that stores calcium.
Anatomy & Physiology
Ionic bonds break apart in water more easily than covalent bonds do
Indicate whether the statement is true or false
Anatomy & Physiology
The hyoid bone is part of the appendicular skeleton.?
Indicate whether the statement is true or false
Anatomy & Physiology