(a) _____ is the is the structural and functional unit of the nervous system.(b) An automatic response to a stimulus which is not controlled by the brain is called______.(c) Chemical messengers which control and coordinate in plants and animals are called_____.(d) The movement of a plant part in the direction of light is called ____.

The behavior of animals is under the control ofA) the endocrine system.B) the nervous system.C) both the nervous system and the endocrine system.D) neither the nervous system nor the endocrine system

Signals generated by the nervous system are called _____.Group of answer choicesstimulinerve impulsessense organsnerves

When a nerve impulse reaches the terminal buttons, chemical communicators called _____ are released.Multiple choice question.neurotransmitterselectrotransmittersohmsendocrine glands

Which of the following is NOT a function of the nervous system?Group of answer choicesIntegrative functionAll are functions of the nervous systemMotor functionSensory function

Neurons are Blank______ cells that send electrical and chemical signals.Multiple choice question.nervemusclefatblood