Human Body System Review
Answers
System Structures Purpose Interactions with other Systems
Circulatory Heart *Carry food and oxygen to all * Touches every organ and system in your
Arteries parts of the body * Connected to all of your body's cells
Capillaries *Remove waste products from * When you breathe (respiratory system), the circulatory system
Veins all parts of the body carries oxygen to your cells and carries dissolved carbon dioxide back
Blood to the lungs.
*The circulatory system and its fluids are super important to your
digestive system that has absorbed nutrients from your food.
Digestive Esophagus *Breaks down food into small * Works very closely with the circulatory system to get the absorbed
Tongue particles that can be carried in nutrients distributed through your body
Teeth the blood to all parts *The digestive system also works in parallel with your excretory
Stomach system (kidneys and urination)
Intestines
Liver
Rectum
Respiratory Mouth *Bring oxygen into the blood * Your respiratory system also interacts with your digestive system
Nose *Remove waste products (or * Your mouth is used to swallow and to breathe. There is a branching
Lungs carbon dioxide) form the blood point where you will find the epiglottis that directs food to your
Trachea stomach and air to your lungs.
Epiglottis * Connects with the nervous system in your nose where you smell.
Diaphragm
Bronchi
Skeletal Bones *Provide support and structure * Interaction with your muscular system
* Work with the circulatory system- Marrow inside of your bones helps
produce the cells inside of you blood. Both red blood cells and white
blood cells are created in your bones.
Muscular Muscles *Provide movement and form *Closely connected to the nervous system -you usually have to think
Joints before you can move
*You have smooth muscles that line your digestive system and help
move food through your intestines. *Smooth muscle also surrounds
your circulatory system
Nervous Nerves *Internal communication * interacts with every other system in your body
Brain system between the brain and *all of your tissues and organs require instruction and direction from
spinal cord all other parts of the body the nervous system.
*interaction between your muscles and your nervous system
*Your digestive and excretory systems work with the nervous system
in both conscious and unconscious ways
Excretory Kidneys *Remove wastes from the body *The excretory system is a close partner with circulatory system-*
Intestines Blood that circulates through the body passes through one of the two
Bladder kidneys
*While the digestive system collects and removes undigested solids,
the excretory system filters compounds from the blood stream and
collects them in urine. They are closely connected in controlling the
amount of water in your body.
Reproductive Male and Female *Create offspring for the
Reproductive continuation of species
Organs
Write a paragraph on how your body system is working together.
While I am (verb)_____________________ here is how all my body systems are working together.

Human Body System Review
Answers