One common fertility treatment for women is to take medications such as follicle-stimulating and luteinizing hormones to stimulate the ovaries. why does this treatment increase the probability of producing twins or triplets? a. the hormones can cause multiple eggs to travel to the cervix. b. multiple unfertilized eggs can be released and fertilized. c. multiple unfertilized eggs can be stored in the uterus. d. the hormones can cause multiple sperm to fertilize one egg.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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