Human Body Systems

The five functions of the skeletal system are

• Protection, Shape &
  Support, Movement, Blood production, Stor
• Protection, Shape, Rotation, 
  Support, Movement, 
• Protection, Shape, Rotation, Movement, Organ support
• Movement, Blood production, Support, Vertebrae, Rotation

the main function of the muscular systems is

• support the body

• break down of food

• movemement of the body

• removal of waste

Living organisms are made up of cells. Cells are organized at different levels to form very

complex living organisms like your body. Each level has a specific role or job to perform.

Which of the following lists these levels in the correct order of organization from the

simplest to the most complex?

• Cells, tissues, organs, organ systems, organisms

• Organisms, organ systems, organs, tissues, cells

• Tissues, cells, organs, organisms, organ systems

• Organs, organ systems, organisms, cells, tissues

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The human body is a complex system.

Which pair of systems below is most

directly required to make the human

body move?

• muscular and skeletal systems

• circulatory and endocrine systems

• excretory and respiratory systems

• digestive and nervous systems

A tissue in a living organism is made up of one or

more

• types of acids, which maintain the integrity of a

  single cell membrane in an organism.

• types of cells, which work together cooperatively.

• types of organs, which work independently of

  one another.

• types of organ systems, which interact with one

  another to help an organism function.

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Which of the following is a major function of the

nervous system?

• to eliminate waste

• to store minerals

• to activate DNA for the productions of specific hormones

• to allow the body to respond to respond to specific stimuli

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

• muscular

• digestive

• respiratory

• endocrine

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

• endocrine

• circulatory

• respiratory

• excretory

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

• endocrine

• excretory

• circulatory

• respiratory

This system controls the body using the brain, spinal cord, and nerves.

• nervous system

• endocrine system

• excretory system

• digestive system