With which body system, do you FEEL hot and cold?

• Circulatory
• Respiratory
• Nervous
• Muscular

Which system brings in the oxygen necessary for cellular respiration?

• Circulatory 
• Respiratory 
• Muscular
• Digestive

Which system transports (O2, nutrients, wastes, etc) throughout the body?

• Circulatory 
• Respiratory 
• Muscular
• Digestive

Which system is responsible for regulating homeostasis?

• Nervous 
• Respiratory 
• Circulatory
• Muscular

Which system helps with breaking down food and absorbing nutrients?

• Digestive
• Integumentary
• Nervous
• Immune

Which system protects the body from pathogens (disease-causing agents)?

• Immune
• Skeletal
• Muscular
• Nervous

Which system helps remove wastes from the blood?

• Excretory
• Respiratory
• Muscular
• Endocrine

Which system is associated with the kidneys?

• Excretory
• Respiratory
• Circulatory
• Skeletal

Which system is associated with red blood cells, white blood cells and the heart?

• Circulatory
• Endocrine
• Nervous
• Muscular

Which gas is product of cellular respiration? 

• Oxygen
• Nitroxide
• Carbon dioxide
• Sunlight