Body Systems: Levels of Organization

What are the specialized structures within cells that perform specific functions called?

• Organelles

• Organs

• Organ Systems

• Organisms

Which sequence lists the levels of organization in the body from the simplest to most complex?

• Organ system, tissue, cell, organ

• tissue, cell, organ, organ system

• organ, organ system, tissue, cell

• cell, tissue, organ, organ system

Which of the following is NOT a type of tissue in the human body?

• Epithelial

• Catonial

• Connective

• Nervous

Together, tissues that work together to perform a specific job are known as..

• an organelle

• a cell

• an organ

• organism

One complete, individual living thing is known as

• an organism

• an organelle

• a cell

• an organ

The organ system responsible for taking in oxygen and removing carbon dioxide is the...

• nervous system

• endocrine system

• respiratory system

• digestive system

The organ system responsible for protecting the body from infection and fighting infection is the

• Respiratory system

• Circulatory System

• Endocrine System

• Immune System

The organ system responsible for removing waste is the

• Excretory System

• Endocrine System

• Nervous System

• Immune System

The organ system responsible for making and nurturing new offspring is the

• Circulatory System

• Reproduction System

• Integumentary System

• Respiratory System

The organ system responsible for controlling and coordinating the body is the

• Digestive

• Respiratory

• Nervous

• Reproductive