All answers but "the blood brain barrier does not factor in with endocrine signaling. " are true. b. integrating sensors are always located in the brain to ensure that hormone can't cross the blood brain barrier. c. the blood brain barrier does not factor in with endocrine signaling. d. sensors are always located in the brain to ensure that hormone can't cross the blood brain barrier. e. the blood brain barrier insulates sensors and integrating centers from feedback.

Its D keeping foreign particles out of the brain on Edge 2020 =)

Explanation:

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.