Microtubules and microfilaments are the primary components of the ________.

A. plasma membrane
B. cytoskeleton
C. cytosol
D. nucleus


Answer: B

Anatomy & Physiology

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Which of the following terms refers to the thumb?

A. Lumbrical B. Peroneus C. Pollicis D. Hallucis E. Indicis

Anatomy & Physiology

Nails and hair are both composed of keratin

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following statements regarding the sliding filament model is false?

A. The A band remains constant in length. B. Actin and myosin do not shorten during contraction. C. The sarcomere shortens. D. Both actin and myosin myofilaments shorten during contraction. E. The I band and H zones become narrower during contraction.

Anatomy & Physiology

A greater than normal amount of CO2 in the blood is called

A. hypercapnia. B. hypoxia. C. hyperdioxemia. D. hypodioxemia.

Anatomy & Physiology