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35 Cards in this Set

  • Front
  • Back
Stomach
An organ that squeezes and mashes food
Cell
The smalest working part of your body. They are the building blocks of your body.
Energy
The ability you body has to do things.
Tissues
Groups of the same kinds of cells working together. Skin, bones, and muscles are examples.
Organs
Groups of tissues working together. The heart, stomach, brain, and eyes are examples.
Body Systems
Groups of organs working together. Each one has several organs. Circulatory, muscular, respiratory, digestive, and nervous system are examples.
Skeletal System
Gives your body its shape and size
Skeleton
All the bones in your body
Joints
A place where two bones meet and allow you to bend.
Hinge joints
Swing like a door. Elbow and knee are examples.
Ball and socket joint
Lets one bone move in many directions. The hip is an example.
Muscles
Tissues attached to the body parts to help them move.
Muscles
Almost always work in pairs and can only pull.
Nutrients
Parts of food the body needs to grow and be active.
Oxygen
A gas that your cells need
Organs of the digestive system
Esophagus, stomach, small intestine, large intestine
Digestive juices
Liquids that help to digest food
Esophagus
A tube made of muscle that squeezes food down into the stomach
Small intestine
A hollow tube in which most of the digestion takes place. It's 13 feet long at your age!
Large intestine
A hollow tube in which wastes are stored until they leave the body. It's 4 feet long.
Respiratory system
This system helps you get oxygen to breathe and gets rid of oxygen.
Trachea
The windpipe
Tiny air sacs in the lungs called alveoli
These are like small balloons that fill up with the air you breathe.
Circulatory system
This system carries nutrients and oxygen to all your cells. It also carries away wastes from cells.
3 parts of the circulatory system
Blood, heart, and blood vessels
Blood
A liquid that carries nutrients and oxygen to your cells.
Heart
Organ that pumps blood
Arteries
Vessels that carry blood from the heart
Veins
Vessels that carry blood back to the heart
Capillaries
Tiny blood vessels that connect arteries to veins
Two kinds of blood cells
Red that carry oxygen to the cells, and white that help your body fight certain kinds of illnesses
Parts of the nervous system
Brain, nerves, and spinal cord
Brain
Tells all other parts of the body what to do
Nerves
Bundles of cells. They connect all parts of your body with your brain.
Nerves
Bundles of cells. They connect all parts of your body with your brain.