Human Body Systems with the Amoeba Sisters

What is the smallest unit of life that makes up our body?

• Tissues

• Organs

• Cells

• Atoms

What organ is known as the pumping machine of the circulatory system?

• Kidneys

• Heart

• Liver

• Lungs

What is the main function of red blood cells?

• To clot blood

• To carry oxygen

• To remove waste

• To fight infections

Where does digestion begin in the human body?

• Small intestine

• Mouth

• Large intestine

• Stomach

Which system is responsible for removing waste from the body?

• Excretory

• Digestive

• Circulatory

• Respiratory

What do hormones influence in the body?

• Blood flow

• Bone density

• Cell growth and function

• Muscle mass

What is the largest organ of the human body?

• Heart

• Skin

• Liver

• Brain

Which of the following is NOT a function of the integumentary system?

• Protecting internal organs

• Preventing water loss

• Regulating temperature

• Producing blood cells

Which system aids in immune function by protecting the body from pathogens?

• Muscular

• Lymphatic and Immune

• Nervous

• Skeletal

Which organ system includes the spleen and lymph nodes?

• Circulatory

• Muscular

• Lymphatic and Immune

• Endocrine