The functional contractile unit of a skeletal muscle fiber is called a ________.
Fill in the blank(s) with the appropriate word(s).
sarcomere
Anatomy & Physiology
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Which of the following is NOT true of the thymus gland?
A. It is located in the neck. B. It is an endocrine gland. C. It produces thymosin. D. It is important in the body's immune system.
Anatomy & Physiology
Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________.
A) astrocytes B) oligodendrocytes C) microglia D) Schwann cells
Anatomy & Physiology
Human chorionic gonadotropin is secreted by the corpus luteum of pregnancy
Indicate whether the statement is true or false
Anatomy & Physiology
Red cell production is stimulated by a kidney-derived hormone called
A) erythropoietin (EPO). B) colony-stimulating factor. C) renin D) estrogen. E) fibrin.
Anatomy & Physiology