Exam 33: Nervous Coordination: Nervous System and Sense Organs

You are watching a horror movie,and you notice that your heart is beating fast,your mouth is dry,you are breathing rapidly.What division of the nervous system is directly responsible for these reactions?

"Decision-making" in the central nervous system can be biologically described as

A cross-section of the spinal cord shows two zones,the outer one called white matter,and an inner zone containing interneurons and cell bodies,called _____ _____.

Several autonomic centers that regulate body temperature,water balance,appetite and thirst are located in the ____________. or hypothalamus

The event at an electrical synapse

A fly will start its wings flapping if its feet are not touching the ground,and stop its wings when its feet touch the ground,even when its head has been cut off.This "decision" to fly has therefore been made by

Describe how the central nervous system and the peripheral nervous system interact to provide a vertebrate organism with complete information about the internal and external environments.

Discuss the difference between electrical synapses and chemical synapses.

The leaping of the action potential from node to node in vertebrate high-speed neurons is known as ____________ conduction.

The nodes of Ranvier are

Internal chemicals communicate from one organ to another target organ or tissue.However,_________ are chemicals released by individuals to influence the behavior of other members of their own species

The simplest pattern of invertebrate nervous system is the _____ _____ of cnidarians.

Both nerves and hormones serve in biological communication.