_______ is the smallest structural unit of the body

• organ

• organ system

• cell

• tissue

________ is a group of similar cell that work together to perform special role or function

• tissue

• organ

• cell

• organ system

___________ is a structure composed of two or more different types of tissue and usually has recognizable shape

• cell

• tissue

• organ

• organ system

_________ a group of organs that work together to perform special role

• cell

• tissue

• organ

• organ system

Carries oxygen and nutrients throughout the body

• platelet

• red blood cell

• bone cell

• white blood cell

• brain cell

Types of cell that fights infection

• red blood cell

• white blood cell

• platelet

• bone cell

• brain cell

Type of cell that prevents bleeding

• brain cell

• bone cell

• platelet

• white blood cell

• red blood cell

Type of cell that build our bone

• white blood cell

• platelet

• bone cell

• brain cell

• skin cell

Type of cell that controls bodily functions

• white blood cell

• skin cell

• bone cell

• brain cell

• platelet

Type of cell that forms the layers of our skin

• skin cell

• brain cell

• bone cell

• platelet

• white blood cell