B5 Homeostasis: Nervous System

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

Tags

NGSS.HS-LS1-3

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
• is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Tags

NGSS.HS-LS1-3

The environmental change that the body detects is know as the

• Stimulus

• Response

• Impulse

• Reaction

What detects stimuli inside and outside our bodies?

• Organs

• Receptors

• Effectors

• Neurons

Tags

NGSS.MS-LS1-8

Effectors carry out a ...?

• Stimulus

• Impulse

• Response

The brain and spinal cord make up the ...?

• Central nervous system

• Peripheral nervous system

What is this a picture of?

• A motor neurone

• A brain cell

• A relay neurone

• A sensory neurone

Neurones have axons that are insulated by a fatty sheath. What does the fatty sheath do?

• Protects the fragile cell

• Provides energy for the cell

• Keeps the cell warm

• Increase the speed that impulses travel

What type of neurones carry impulses from the CNS to effectors?

• Sensory

• Motor

What is the gap between neurones known as?

• An impulse

• A reaction

• A synapse

• A relay neurone