Food, Digestion, Nutrients and Excretion

Science

carbohydrate

an energy-rich organic molecule of carbon, hydrogen, and oxygen, like sugar or starches

carbohydrate Simple Definition

digestion

the breakdown of food into small molecules for use by the body

digestion Simple Definition

fat

a nutrient that stores energy, insulates the body, and protects organs

fat Simple Definition

kidney

the organ that filters water and waste from blood

kidney Simple Definition

nephron

a tiny filtering unit in the kidney, it removes waste from the blood to produce urine

nephron Simple Definition

nutrient

a substance that an organism needs to live, like water or minerals

nutrient Simple Definition

peristalsis

wavelike muscular contractions that move food through the digestive tract

peristalsis Simple Definition

protein

an organic compound that is made of amino acids

protein Simple Definition

urinary system

the organs that make, store, and remove urine from the body

urinary system Simple Definition

urine

the liquid waste that forms in the kidneys

The liquid waste that forms in the kidneys. Urine. Urine is a fluid produced by the kidneys to remove waste and excess substances from the blood.

vitamin

an organic molecule the body uses for growth and to regulate body functions

vitamin Simple Definition

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