Multicellular exocrine glands can be classified ________.
A) structurally into alveolar and acinar types
B) structurally into vascular and avascular types
C) functionally into merocrine, holocrine, and apocrine divisions
D) functionally into secreting or nonsecreting types
C) functionally into merocrine, holocrine, and apocrine divisions
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Transmission of nerve impulses along myelinated axons requires more energy than transmission along unmyelinated axons
Indicate whether this statement is true or false.
The ____________________ formed by the complement system and imbedded in the microbial membrane surface brings about lysis of the microbe
Fill in the blank(s) with correct word
Membrane potential
a. refers to a separation of charges across the membrane or to a difference in the relative number of + and - charges in the ECF and ICF. b. is measured in units of millivolts with the sign always designating the charge on the outside. c. is less at the equilibrium potential for K+ than at resting membrane potential. d. cannot be measured easily. e. all of these answers.
The tendency for physiological systems to stabilize internal conditions is called
A) homeostasis. B) disease. C) biology. D) responsiveness. E) adaptability.