What two processes combined are referred to as internal respiration?
A. Systemic gas exchange and gas transport
B. Pulmonary ventilation and systemic gas exchange
C. Systemic gas exchange and aerobic respiration
D. Gas transport and pulmonary ventilation
E. Breathing and alveolar gas exchange
Answer: C
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The respiratory areas are in the medulla oblongata and the ________ of the brainstem.
Fill in the blank(s) with the appropriate word(s).
Going from superficial to deep, the layers of the skin would be:
a. stratum germinativum, stratum corneum, reticular layer, papillary layer b. stratum germinativum, stratum corneum, papillary layer, reticular layer c. stratum corneum, stratum germinativum, papillary layer, reticular layer d. stratum corneum, stratum germinativum, reticular layer, papillary layer
The atomic weight is an average of the relative weights (mass numbers) of all the isotopes of an element
Indicate whether the statement is true or false
All but which of the following statements about autorhythmic myocardial cells are correct?
a. They do not maintain a stable resting membrane potential. b. They have special ion channels in their sarcolemma. c. They are the first myocardial cells to contract. d. They make up the intrinsic cardiac conduction system.