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Questions and Answers
What is the main function of xylem in a plant?
What is the main function of xylem in a plant?
What is the purpose of phloem in a plant?
What is the purpose of phloem in a plant?
What are chloroplasts responsible for in a plant?
What are chloroplasts responsible for in a plant?
What is the difference between xylem and phloem?
What is the difference between xylem and phloem?
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What is the ultimate source of energy for a plant?
What is the ultimate source of energy for a plant?
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What is the main function of the heart in animals?
What is the main function of the heart in animals?
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What is the primary role of the stomach in animals?
What is the primary role of the stomach in animals?
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What is the primary function of the lungs in animals?
What is the primary function of the lungs in animals?
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What is the primary function of the brain in animals?
What is the primary function of the brain in animals?
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What do blood vessels transport throughout the body?
What do blood vessels transport throughout the body?
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Study Notes
External and Internal Structures of Organisms
- External structures are the outer parts of an organism, such as roots, stems, leaves, and flowers in plants, and body, arms, legs, and head in animals.
- Internal structures are the inner pieces and parts that keep organisms alive, help them grow, and help them reproduce.
Internal Structures of Animals
- The heart is a vital internal structure that pumps blood through the body's blood vessels.
- Blood vessels are like highways that transport essential chemicals, including nutrients, gases, and hormones, to every part of the body.
- The stomach breaks down food into nutrients, which are then absorbed into the blood.
- Lungs are responsible for breathing, taking in oxygen, and releasing carbon dioxide.
- The brain processes sensory information and controls the body's functions.
Internal Structures of Plants
- Xylem is a transportation system that carries water and minerals from the roots to the leaves.
- Phloem carries substances downward, moving sugar from the leaves to the roots.
- Chloroplasts in plant leaves can convert water, carbon dioxide, and light into sugar and oxygen through photosynthesis.
- Xylem and phloem work together to transport essential substances throughout the plant.
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Description
Learn about the inner pieces and parts of plants and animals that keep them alive, help them grow, and help them reproduce. Explore the basic internal structures of organisms.
