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Which body system transports oxygen and nutrients through out the body?

• Muscular System
• Nervous System
• Digestive System
• Circulatory System

What systems brings in oxygen for your cells to use?

• reproductive system
• digestive system
• respiratory system
• endocrine system

What body system includes the kidneys and bladder?

• circulatory system
• reproductive system
• digestive system 
• urinary system

What is another name for the throat?

• esophagus
• larynx
• pharynx
• trachea

Which type of digestion involves using saliva and stomach acid to convert food into substances your body can use?

• mechanical digestion
• chemical digestion
• physical digestion
• internal digestion

What function do bones NOT perform?

• produce blood cells
• provide support for your body
• give muscles a place to attach
• provide you with energy

Which body system helps you remove waste products from your body that you do not need?

• muscular system
• excretory system
• skeletal system
• none of the above

Which body system could you not live without?

• digestive system
• nervous system
• respiratory system
• none of the above

main organ of the nervous system. protected by the skull, and made of neurons, it is the control center for all actions, thoughts and emotions.

• brain
• electrical impulse
• gland
• heart

a body system that controls growth and homeostasis by secreting hormones from glands.

• skeletal system
• nervous system
• endocrine sytem
• integumentary system