Can you complete all the missing

labels? Mitochondria

Levels of biological organizationCan you name the 5 levels?

1 2 3 4 5

The five levels of biologicalorganization

What is the function of these

systems?

Can you name these parts?

What are the three main

components of this system?

A. __________________

B. __________________

C. __________________

small intestine mouth stomach digestion large intestine

saliva gastric juices egestion

nutrients

• __________________ starts when food enters the

_________________. ___________________ starts with

the help of teeth and _____________________. When

the food reaches the ________________, it mixes with

______________________.

• Then, in the ____________________, the

______________________ are absorbed. Finally, waste

is eliminated through the ____________________ in

the process called _______________________.

Digestive process

alveoli bronchi nasal passages lungs bronchial tubes

trachea pharinx

oxygen air carbon dioxide

__________________ enters through the

_____________________ and passes through the

__________________ and ___________________.

Then, it enters the __________________ and goes to

the ____________________ and ___________________.

Finally, gas exchange occurs in the

_________________ where ___________________ is

changed to _____________________.

Respiratory process