When you go outside on a hot summer day, your body temperature heats up above the normal range. Receptors in your brain detect the change in body temperature. The brain activates nerve cells that send messages to sweat glands, causing the body temperature to fall as the sweat evaporates from the skin. What part of this feedback loop is the stimulus?
What will be an ideal response?
Increased body temperature
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Cerebrospinal fluid is produced by ________ and it ________.
A. dura mater; maintains a stable ionic concentration in the CNS B. capillaries in the dura mater of the ventricles; moistens the surface of the brain C. arachnoid villi in the dura sinus; provides a pathway to the blood for waste D. choroid plexuses in the ventricles; protects the brain from blows to the skull
For most individuals the main source of vitamin D is dietary intake of milk
Indicate whether this statement is true or false.
Which is the only cranial nerve to leave the head and neck region?
A) V B) VII C) X D) XII
A neuron starts to depolarize when _________________ ions move into the cell
Fill in the blank(s) with correct word