System(S)
Harder System(s) Pt.2
Organs
100

Breaks down food

Digestive

100

Sends electrical messages to detect and interpret info from inside and outside the body.

Nervous

100

Pumps Blood

Heart

200

Sends signals to the brain

Nervous

200

Moves oxygen into the body and removes carbon dioxide. Heart pumps blood through blood vessels. What are the 2 systems

Respiration and circulation

200

Breaks down the food also the first step of digestion

Mouth

300

Moves oxygen into the body and removes carbon dioxide

Respiration
300

forms the outermost layer of the body and serves as the first line of defense against environmental threats such as bacteria, UV radiation, and physical injury.

Integumentary

300

Takes in oxygen and removes carbon dioxide

Lungs

400

Sends chemical messages to the body, controls emotions and hormons

Endocrine

400
Provides shape and support enables you to move and protects your organs. Involuntary muscles for breathing and digesting food. 

Muscular and skeletal

400

Mixes food acid; acid and enzymes help break it down

Stomach

500

Sends signal to the brain then the brain tells this system to move the organ

Nervous and muscular

500
Materials that cannot be absorbed into the blood stream. Blood is filtered through the kidneys to remove cell waste. What are theses to systems?

Digestive and excretion

500

 a series of coordinated muscular contractions, to push food downward. There are two types of peristalses one triggered by swallowing, which produces strong, coordinated waves to move food efficiently, and a secondary type that occurs if food gets stuck, producing weaker contractions to clear the

esophagus

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