Structure of leaves

• The leaf is an organ
• Organ is a group of tissues working together to perform a function
• muscle is a tissue but the others are organs
• Stomata is tiny holes in the underside of the leaf allow gases in and out of the leaf (thecan open and close like a gate)
• Photosynthesis is the chemical reaction of carbon dioxide and water that produces glucose and oxygen.
• Photosynthesis: a chemical reaction that plants use to make glucose
• the word equation of photosynthesis is Carbon dioxide + water -> glucose + oxygen
• Glucose is a type of sugar plants use as food
• Roots hair cells have a large surface area to take in water and minerals from the soil
• Xylem is a tissue in the stem that transports water and minerals from the roots to the stem and leaves
• the Xylem is made of two hollow tubes
• plants get minerals from the soil through the roots.