Animal Systems

The main organs in the digestive system are

• esophagus, stomach, small intestine and large intestine
• kidneys and bladder
• lungs
• stomach and intestines

What do the muscular system and skeletal system have in common?

• Both systems protect the brain.
• Both systems pump blood to the body.
• Both systems are made up of soft material.
• Both systems assist the body with movement

Which system is most closely associated with the brain?

• nervous
• muscular
• circulatory
• respiratory

Which system protects the cardiovascular system?

• skeletal system
• nervous system
• digestive system
• circulatory system

Which body systems work together to allow the body to move?

• nervous and skeletal
• muscular and skeletal
• nervous and circulatory
• muscular and circulatory

Which body system sends electrical signals to all other body systems?

• circulatory system
• digestive system
• muscular system
• nervous system

Which system of the human body provides protection to most of the major organs?

• skeletal system
• circulatory system
• respiratory system
• muscular system

brain cell /
nerve cell

• Dr. Suess tree
• neuron
• skin cell
• red blood cell

The function of the digestive system is to......

• To remove waste products from the body 
• To digest, break down food and absorb nutrients.

What is the main function of the Excretory System?

• To excrete saliva
• Get rid of waste products from your cells
• Break down food for digestion
• Circulate oxygen