Brain Nervous System Reflex Arc

What structure is labelled 1?

• Brain

• Receptor

• Spinal Cord

• Effector

What structure is labelled 2?

• Medulla

• Cerebrum

• Cerebellum

What structure is labelled 3?

• Medulla

• Cerebrum

• Cerebellum

What is the function of the cerebrum?

• Controls conscious thought

• Controls balance and muscle coordination

• Controls breathing rate and heart rate

What is the function of the spinal cord?

• Allow blood to enter the brain

• connect receptors to effectors in the reflex arc, and connect brain to peripheral nerves

• supply energy to muscles

• memory storage

What is the function of the brain?

• Control conscious thought, balance, coordination of the body and memory storage

• detect light

• remove waste

• pump blood to the lungs

What type of neuron is A?

• Sensory

• relay

• Motor

What type of neuron is B?

• Sensory

• relay

• Motor

What type of neuron is C?

• Sensory

• relay

• Motor

What type of nervous message is carried along neurons?

• Chemical

• Electrical