Examlex
An accumulation of ______ causes cramping and fatigue in muscles.
Zeitgebers
External or environmental cues, such as light and temperature, that help regulate biological rhythms, including the sleep-wake cycle.
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness.
Secreted
Refers to the process by which substances are produced and discharged from cells or glands, often into the bloodstream or external environment.
Pineal Gland
A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.
Q23: A low level of muscle contraction that
Q29: Posterior to the ear there is a
Q29: A _ is caused by stretching or
Q35: The elbow is an example of a
Q38: An emotional response to an odor means
Q46: Which type of white blood cell is
Q65: _ is a blood disorder caused by
Q71: Which is the correct order,from inner to
Q85: Which of the following is NOT a
Q87: Nearsightedness is due to a(n)<br>A)shortened eyeball.<br>B)elongated eyeball.<br>C)damaged