What Are the Organ Systems in Your Body

Which of the following is the smallest unit of life in the human body?

• Tissue.

• Organ.

• Cell.

• Organ / body system.

A group of similar cells working together to perform a function is called?

• Organ.

• Organ / body system.

• Cell.

• Tissue.

Which organ / body system supports the body and allows movement?

• Skeletal system.

• Nervous system.

• Respiratory system.

• Digestive system.

Which organ / body system is responsible for taking in oxygen?

• Circulatory / cardiovascular system.

• Excretory system.

• Digestive system.

• Respiratory system.

Which system carries oxygen throughout the body?

• Excretory system.

• Circulatory / cardiovascular system.

• Nervous system.

• Digestive system.

The integumentary system includes what?

• Brain and spinal cord.

• Muscle and bones.

• Skin, hair, and nails.

• Heart and lungs.

Which organ / body system protects the body from injury and infection?

• Digestive system.

• Excretory system.

• Integumentary system.

• Nervous system.

Which system helps to heal injuries?

• Immune system.

• Digestive system.

• Respiratory system.

• Excretory system.

Which system produces chemicals that regulate body functions?

• Reproductive system.

• Endocrine system.

• Nervous system.

• Excretory system.

The excretory system is responsible for what?

• Removing waste materials.

• Digesting food.

• Carrying oxygen.

• Controlling body movement.