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