Lesson 1.1: Body Systems

Which is the correct hierarchy of organization in the human body?

• Cells -> Organs -> Tissues -> Systems

• Systems -> Organs -> Tissues -> Cells

• Tissues -> Cells -> Organs -> Systems

• Cells -> Tissues -> Organs -> Systems

True or False: A group of organs form tissues.

• True

• False

True or False: A group of organs form systems.

• True

• False

True or False: Blood is part of the circulatory system.

• True

• False

True or False: One of the functions of the digestive system is the removal of waste.

• True

• False

One of the functions of the renal system is:

• Help with the absorption of nutrients

• Help with gas exchange

• Help with regulating fluids in the body

One of the functions of the skeletal system is:

• To make blood

• To regulate body temperature

• Control sensory function.

True or False: The following are organs in the nervous system: brain, spinal cord, nerves, heart.

• True

• False

True or False The integumentary system helps protect the body against infection.

• True

• False

Which system is responsible for our movement?

• Endocrine system

• Renal system

• Muscular system

• Respiratory system