Endorphins are
a. neuromodulators.
b. stimulators of brain and nervous activity.
c. inhibitors of pain perception.
d. neuromodulators and stimulators of brain and nervous activity.
e. neuromodulators and inhibitors of pain perception.
E
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Which of the following is in the correct order from smallest to largest structures?
a. myosin head, sarcomere, myofibril, muscle fiber b. sarcomere, myosin head, muscle fiber, myofibril c. myofibril, myosin head, sarcomere, muscle fiber d. muscle fiber, sarcomere, myofibril, myosin head
An organism that is able to be transmitted from one host to another is said to be ________.
A. infective B. communicable C. virulent D. pathogenic
Protection Mechanism IV: genetic
What will be an ideal response?
What part of a tooth often thins from years of brushing, teeth grinding, and eating acidic foods?