Shared Flashcard Set

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Levels of Organization
TCAP
33
Science
7th Grade
04/04/2012

Additional Science Flashcards

 


 

Cards

Term
tissue
Definition
A group of cells that work together to do a certain job form a _____.
Term
muscle tissue
Definition
_________ is made of muscle cells, which are flat and layered. Muscle cells tighten and relax to move parts of a body.
Term
blodd tissue
Definition
______ is made of different kinds of blood cells floating in a liquid.
Term
organs
Definition
Tissues that work together to do a job form ________. The heart, stomach, brain, and lungs are all ________.
Term
organ systems
Definition
When organs work together to do a job, they form _____________.
Term
skeletal system
Definition
Your _________ supports your body and gives it shape. It also protects other body parts, such as your heart and lungs.
Term
muscular system
Definition
Your skeletal system works with your ________ to allow movement.
Term
skeletal muscles
Definition
________ pull on bones, letting you move yours arms, legs, and other body parts.
Term
heart muscles
Definition
_________ work all by themselves to make your heart pump blood. You cannot control your ______ muscles.
Term
smooth muscles
Definition
These are found in organs like your stomach, lungs, and blood vessels. __________ move things like food and blood through organ systems.
Term
digestive system
Definition
Your _______ is made of grgans that work together to help you break down food into molecules that your cells can use to produce energy.
Term
mouth
Definition
Your digestive system starts working when you put food in your ____.
Term
saliva
Definition
The _____ in your mouth helps break the food down.
Term
esophagus
Definition
When you swallow, food travels through the _______ to the stomach.
Term
small intestine
Definition
Liquid food passes into the ________, where different juices are added to break the food down even more.
Term
large intestine
Definition
The parts of the food that can't be broken down travel to the __________. The _________ takes the water out of the food.
Term
rectum
Definition
Leftover material is stored in the ______ before leaving the body as waste.
Term
nervous system
Definition
The _________ controls all of the body's systems.
Term
central nervous system
Definition
The ___________ includes the spinal cord and brain.
Term
spinal cord
Definition
The __________ runs from your brain down your spine. All the nerves in your body connect to the brain through the ____________.
Term
brain
Definition
The _______ is the body's control center. It receives and processes information from the rest of the body. It then sends commands that tell the body how to respond.
Term
sense organs
Definition
The _________ include the eyes, ears, nose, tongue, and skin.
Term
respiratory system
Definition
The ___________ takes in oxygen for your cells to use. It also gets rid of waste. When you breathe in, you bring oxygen into your body. When you breathe out, you get rid of carbon dioxide and water vapor.
Term
nose and mouth
Definition
Air comes into the body through the ____ and ____.
Term
trachea
Definition
Air travels down a tube called the __________.
Term
circulatory sytem
Definition
Blood is part of the ____________. the job of the ___________ is to move blood throughout the body.
Term
blood
Definition
________ brings oxygen and nutrients to the body's cells. It also carries away their waste.
Term
heart
Definition
The ________ is the "motor" that powers the circulatory system.
Term
arteries
Definition
_________ are blood vessels that carry blood away from the heart.
Term
veins
Definition
________ return blood from the body to the heart.
Term
capillaries
Definition
The very small blood vessels that connect arteries to veins are called __________.
Term
roots
Definition
__________ are plant organs that grow deep into the soil.
Term
stems
Definition
_________ are plant organs that contain bundles of hollow tubes.
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