I believe that the answer is C. It is a percentage of your maximum heart rate
The right answer is False. (An important element missing from the definition of motor unit are motor neurons.)
A motor unit is composed of an alpha motor neuron and the muscle fibers it innervates.
Groups of motor units often work together to coordinate the contractions of a single muscle. All motor units that serve the same muscle are considered to be a group of motor units. The number of muscle fibers connected to each unit can vary: the muscles of the thigh can have up to a thousand fibers per unit, the muscles of the eyes can have only ten. In general, the number of muscle fibers involved in a motor unit is a function of the muscle's need for its refined movement: the more the muscle will need a fine movement, the less the motor unit will involve synapses with the muscle fibers.
Explanation:
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Answer:
Only certain types of people can become dependent and addicted to a drug. True or False: Most studies show that people in the 18-25 year old age groups are by far the heaviest users and experimenters when it comes to drug use.
Answer:
preconventional
Explanation:
In the preconventional stage of Kohlberg's stages of development a child obey's rules which are set by the parents and they avoid circumstances which may lead to punishment.
Here, Sam is concerned that taking another child's toy will make his mom mad. He is actively trying to avoid any situation that may cause him to get punished.
Hence, Sam is in the preconventional stage of moral development.
