Which muscle is under voluntary control?
A. Detrusor muscle
B. Internal urethral sphincter
C. External urethral sphincter
D. None of these are correct.
Answer: C
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Where is the celiac ganglion and plexus in the diagram?
a) A b) B c) D d) C e) G
Cells are held together by a "biological glue" called the intracellular matrix
a. True b. False Indicate whether the statement is true or false
Circumvallate papilla are located:
a. in the duodenum b. around the opening of the uterine tube c. on the base of the tongue d. over most of the surface of the tongue
Which of the following conditions must be met if diffusion across a membrane is to occur?
A) A concentration gradient must be present, and the membrane can't be permeable to the substance being transported. B) A concentration gradient must be present, and the membrane must be permeable to the substance that is to be transported. C) The membrane must be permeable to the substance that is to be transported. D) A concentration gradient must be present.