Ch 7 Nervous system

What does homeostasis mean?

• Controlling your body's internal conditions.

• Changing your external environment.

• Maintaining the same number of cells in your body.

• Making your internal conditions the same as the external environment.

Which of the following describes how the nervous system works?

• stimulus > receptor > sensory nerve > co-ordination centre > motor nerve > effector

• stimulus > effector > sensory nerve > co-ordination centre > motor nerve > receptor

• stimulus > receptor > motor nerve > co-ordination centre > sensory nerve > effector

• receptor > sensory nerve > co-ordination centre > motor nerve > effector > stimulus

The Central Nervous System includes .......

• the brain and the spinal cord

• all the sensory and motor nerves

• the peripheral nervous system

• all the receptors and effectors in the body

The cells that carry impulses to your central nervous system are called ......

• sensory neurons

• sensory nerves

• motor neurons

• motor nerves

Tags

NGSS.MS-LS1-3

The cells that carry impulses from your central nervous system to effectors are called ......

• sensory neurons

• sensory nerves

• motor neurons

• motor nerves

Which of the following are effectors?

• eyes & ears

• muscles & glands

• nose & mouth

• nerves & neurons

Tags

NGSS.HS-LS1-3

What are the junctions between neurons called?

• synapses

• receptors

• stimuli

• effectors

In a synapse, what passes between the end of one neuron and the start of the next?

• impulses

• chemicals

• blood

• water

part of a neuron that receives information from other neurons

• axon
• dendrites
• myelin sheath
• synapse

Tags

NGSS.MS-LS1-2

What contains the nucleus of the neuron?

• Terminal Bouton

• Cell Body

• Axon Hillock

• Myelin Sheath

Tags

NGSS.MS-LS1-2