Act Biology

Name an effector in this diagram.

• A

• B

• D

• E

• F

Tags

NGSS.HS-LS1-3

Select two examples of effectors.

• Neuron

• Gland

• Muscle

• Receptor

Tags

NGSS.HS-LS1-3

Which statement best describes a reflex?

• Slow response that you have to think about

• Rapid response to protect body from harm

Salivary glands are an example of ...

• A receptor
• A relay
• A detector
• An effector

What makes up the CNS

• brain and spinal cord
• brain and neurons
• brain
• spine and neurons

_____ neurons carry messages away from the central nervous system and out to muscles or glands. The RED neuron in diagram.

• sensory

• motor

• inter

• central

Which type of neuron causes a muscle to contract in a reflex arc?

• Motor Neuron

• Sensory Neuron

• Interneuron

• Effector

Where would the nerve impulse start in this reflex arc?

• A

• C

• D

• E

Which is the correct order of neurons in a reflex arc?

• Sensory neuron, motor neuron, relay neuron

• Relay neuron, sensory neuron, motor neuron

• Sensory neuron, inter neuron, motor neuron

Which number represents the stimulus?

• 1

• 2

• 3

• 4