Reacts negatively to new situations.

What are the two senses that rely on chemoreceptors that can recognize specific substances from the external environment?

Who was one of the individuals who developed a measure that would identify children who would not be successful with the regular school curriculum?

Which ion causes synaptic vesicles to release neurotransmitters at the synapse?

Lens replacement surgery would be an effective way to treat:

This sensory and motor cranial nerve pair, number X (10), is the only one that can have a direct effect on the functioning of the rest of the organs in the body (cardiovascular, digestive, reproductive, etc.).

TRUE/FALSE: Neurons are some of the fastest-dividing cells in the body, always reproducing to replace lost cells.

Which layer of the meninges is full of web-like fibers and cerebrospinal fluid?

Which of the following is a main function of the nervous system?

These are localized changes in membrane potentials, due to weak stimuli: