Motor-neuron axon terminals release ____________________, which brings about excitation and contraction of the innervated muscle cells

Fill in the blank(s) with correct word


ACh (acetylcholine)

Anatomy & Physiology

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The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis

Indicate whether the statement is true or false

Anatomy & Physiology

Endocrine specificity is a result of ____

a. anatomic proximity b. anatomic specialization c. proximity and specialization of hormones d. receptor proximity e. receptor specialization

Anatomy & Physiology

Absorption of stray light rays (not absorbed by photoreceptors) occurs in the

A. cornea. B. choroid. C. conjunctiva. D. sclera.

Anatomy & Physiology

The subunits of ribosomes are exported outside the nucleus into the cytoplasm, where they are assembled into their finished product.

Answer the following statement true (T) or false (F)

Anatomy & Physiology