food is taken into the mout

ingested food is broken down into smaller components

carbohydrates, fats ,proteins, and nucleic acids are digested

undigested materials make their way out of the digestive tract

Human Digestive System

inorganic ( does not contain carbon )

organic ( contains carbon )

proteins built from blank amino acids

filter, small organisms, or food particles from water

helping, fertilize and aerate the soil in the process

food from the blood or sap male mosquitoes nectar

this is seen in snakes, which eat their prey whole

1 opening ( mouth )

2 opening

Single called protists and sponge digest their food inside food

big

small

Happens when a diet lacks nutrients

occurs when a diet is not enough to provide chemical energy

Animals breathe, oxygen and expel carbon dioxide

uses entire skin

extend from body and are immersed in water

use tracheal system and lungs

major organ , chest area and protected by rib cage

helps organism, transport, nutrients, gases, and waste materials

Circulatory fluid is not restricted

has circulatory fluid called blood

uses diffusion

Bring blood away from the heart

Carry blood back to heart

tissues

Transport materials to different parts of the body

transport oxygen

immunity

blood clotting

Sunlight, carbon dioxide and water are converted by plants to produce its food with oxygen by its by product

water and mineral

amino acids and hormone

in born

get from the community

bacteria

kills antigens or bacteria

made up of brain and spinal cord

Bring signals to, and from the CNS

responsible for passing messages to and from friends

master control

voluntary or involuntary

automatic

rest and digest

Usually controlled by parasympathetic and sympathetic division