Unit 1: The brain and nerves

What part of the eye sends messages to the brain from the retina?

• Optic Nerve
• Iris 
• Lens
• Cornea

What sense organ is responsible for our sense of touch?

• Ears
• Face
• Nose 
• Skin

What is the black part of the eye called?

• Retina

• Nerve

• Pupil

• Iris

What is the colored part of the eye called?

• Iris

• Optic Nerve

• Cornea

• Rods and Cones

What is the function of the nervous system?

• to control and coordinate body functions and systems.

• to protect the body from harm.

• to identify pain and begin healing.

• to break down food.

This part of the brain helps with balance and coordination by controlling how the the muscles work together.

• cerebrum

• cerebellum

• brain stem

What controls the nervous system and all decision-making?

• Brain

• Spinal Cord

• Nerves

• Neurons

This part of the brain is the center of conscious thought. It controls our voluntary muscle movements like running and talking as well as our senses (hearing and tasting).

• cerebrum

• brain stem

• cerebellum

Several important involuntary functions, such as breathing and heartbeat, digestion, and sleep are controlled by the

• Hippocampus

• cerebellum

• brain stem or medulla

• Cerebrum

The largest part of your brain

• medulla

• cerebrum

• cerebellum

• neuron