Muscle contractions often need to happen quickly so they are controlled via _____________ receptors
a. ionotropic
b. metabotropic
c. serotonergic
d. dopaminergic
Answer: A
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The discussion of birth control pointed out that
a. parents and educators often avoid discussing sexuality and birth control with teenagers. b. people who have traditional values are the most likely people to use birth-control methods. c. there are several contraceptives available now that are problem-free. d. contraceptive services are readily available to adolescents.
Humans do NOT have distinct cone types to respond to light wavelengths associated with the colour:
A) red. B) green. C) yellow. D) blue.
The first organ system that shows any sign of activity is the:
respiratory system. digestive system. nervous system. cardiovascular system.
Four-year-old Jake describes himself as the fastest runner in his class, even though there are faster students. Therefore, Jake has not yet begun comparing himself to others, which leads him to view himself in a positive manner
Indicate whether the statement is true or false