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Transport
Transport in plants and animals
| Term | Definition |
|---|---|
| heart | a 4 chambered, muscular organ that pumps blood throughout the body |
| pulmonary artery | the artery carrying de-oxygenated blood from the right ventricle of the heart to the lungs for oxygenation |
| pulmonary veins | return the freshly oxygenated blood to the left side of the heart |
| Aorta | carries blood from the heart to to the body |
| Arteries | Blood vessels that carry blood away from the heart |
| Veins | Blood vessels that carry blood back to the heart |
| oxygenated blood | blood rich in oxygen |
| deoxygenated blood | blood that is oxygen-poor and high in carbon dioxide |
| Xylem | vascular tissue that carries water upward from the roots to every part of a plant |
| Phloem | Living vascular tissue that carries sugar and organic substances throughout a plant |
| Transpiration | Evaporation of water from the leaves of a plant from the roots |
| Translocation | the movement of glucose around a plant in the phloem in both directions |
| Stomata | small openings on the underside of a leaf through which oxygen and carbon dioxide can move |
| guard cells | The two cells that flank the stomatal pore and regulate the opening and closing of the pore |
| roots | Absorbs water and minerals from the ground. Anchors plant in ground. |
| stem | supporting structure that connects roots and leaves and carries water and nutrients between them |
| Haemoglobin | The protein that carries oxygen in the red blood cells |
| Osmosis | Diffusion of water through a selectively permeable membrane |
| Diffusion | Movement of molecules from an area of higher concentration to an area of lower concentration |
| transpiration pull | when water evaporates from the leaves of a plant, water is pulled up to replace what was lost |
| vascular tissue | specialized tissue in plants that carries water and nutrients |
| tricuspid valve | valve between the right atrium and the right ventricle |
| Valves | Flaps of tissue that open and close to allow the flow of blood in one direction |
| capillary | A tiny blood vessel where substances are exchanged between the blood and the body cells |
| lymphatic system | Composed of a network of vessels, ducts, nodes, and organs. Provides defence against infection |
| red blood cells | Blood cells that carry oxygen from the lungs to the body cells |
| white blood cells | fight infection |
| Platelets | cell fragments that cause clotting and produce growth factors involved in tissue repair |
| Hemoglobin | a protein containing iron, found in red blood cells, which carries oxygen |
| bone marrow | a soft tissue inside the bone that produces blood cells |
| heart rate | A measure of cardiac activity usually expressed as the number of beats per minute. |
| open circulatory system | A circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood |
| closed circulatory system | system in which blood is contained within a network of blood vessels |
Created by:
justineforrest
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