An action potential rapidly spreads to the central portions of a muscle cell by means of the
a. Z lines.
b. sarcoplasmic reticulum.
c. H zone.
d. pores in the membrane surface.
e. T tubules.
E
Anatomy & Physiology
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A network of interwoven anterior rami of spinal nerves is a
A. ramus. B. plexus. C. ganglion. D. dermatome. E. communicans.
Anatomy & Physiology
The hyposecretion of glucocorticoids and mineralocorticoids results in ________.
A. diabetes insipidus B. Graves' disease C. Addison's disease D. Cushing's disease
Anatomy & Physiology
The sebaceous gland secretion called sebum has bactericidal properties.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
In humans, 20 autosomal chromosomes code for general human characteristics and for specific traits such as eye color
a. True b. False Indicate whether the statement is true or false
Anatomy & Physiology