How do senses work?

___________ gives structure, support, and protection to the softer parts of the body.

• The nervous system

• The digestive system

• The skeletal system

• The circulatory system

__________ includes the brain, spinal cord, and a complex network of nerves. This system sends messages back and forth between the brain and the body.

• The skeletal system

• The nervous system

• The digestive system

• The respiratory system

What gives the brain messages?

• Heart

• Large intestine

• Leg

• Nerves

What part of the body protects the brain?

• Ribs

• Forehead

• Spine

• Skull

What system is represented by the picture?

• Digestive system

• Circulatory system

• Nervous system

• Spinal system

What part of the nervous system is shown?

• Brain

• Spinal cord

• Head

• Organ

What part of the nervous system is shown?

• Brain

• Spinal cord

• Back

• Nerves

The brain and the spinal cord make up the central nervous system.

• true

• false

Your body has ______ that send you information about your environment.

• senses

• bones

• intestines

• blood veins

A bundle of nerve fibers and tissues that connect the parts of the body to the brain:

• senses

• lungs

• spinal cord

• esophagus