Which of the following transports oxygen-rich blood?
A) pulmonary vein
B) pulmonary artery
C) pulmonary trunk
D) superior vena cava
A
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Blood cells are produced in the organs of the ________system.
A. muscular B. respiratory C. endocrine D. skeletal
Which of the following transport processes moves substances through cells using endocytosis on one side of a cell and exocytosis on the opposite side of the cell?
a) phagocytosis b) secondary active transport c) transcytosis d) osmosis e) simple diffusion
What part of the brain sets the basic respiratory rhythm?
A. Hypothalamus B. Limbic system C. Cerebral cortex D. Pons E. Medulla oblongata
Which of the following is not a means of increasing or conserving heat production?
a. shivering b. skin vasodilation c. nonshivering thermogenesis d. increased muscle tone e. increased exercise