What type of homeostatic feedback reflex is the withdrawal reflex?
What will be an ideal response?
negative
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Type AB has no antigens
Indicate whether the statement is true or false.
Visceral pain coming from the kidney is referred to which location(s) in the diagram?
a) D b) B c) G d) H e) F
Which male reproductive gland produces the majority of the volume of semen and contains fructose used by sperm cells to make ATP?
a. Prostate b. Seminal vesicles c. Seminiferous tubules d. Bulbourethral gland
Which of the following situations occurs in electrically excitable cells?
A. Depolarization causes voltage-gated sodium ion channels to open. B. Sodium ion channels are opened by high extracellular calcium levels. C. The sodium-potassium pump moves sodium into the cell. D. When Na+ ion channels open, K+ ion channels close. E. The opening and closing of ligand-gated channels cause depolarization.