Understanding Body Systems

Basic unit of life

• skeletal system

• brain

• Muscular system function

• cell

A tiny cell structure that carries out a specific function within the cell

• organelle

• lungs

• blood

• Muscular system function

A group of similar cells that work together to perform the same function.

• heart

• tissue

• main muscle types

• digestive system function

A body structure that is composed of different kinds of tissues that work together.

• circulatory system function

• organ

• lungs

• organism

A group of organs that work together in performing vital body functions.

• nervous system functions

• organ system

• lungs

• circulatory system function

A living thing

• tissue

• stomach

• nervous system functions

• organism

main organ in the circulatory system

• brain

• organ

• blood

• heart

main organ of the nervous system

• organelle

• brain

• chemical digestion

• heart

Main organs of the respiratory system

• main muscle types

• nervous system functions

• lungs

• heart

Connective tissue made of plasma, erythrocytes, leukocytes, and platelets which carries oxygen and nutrient throughout the body.

• digestive system function

• skeletal system

• heart

• blood