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LS Investigation 3
Term | Definition |
---|---|
vascular system | moves fluids throughout an organism |
xylem | tubes in plants that transport water and minerals from the roots throughout the entire plant |
phloem | tubes in plants that transport sap from the green cells to all other cells in the plant |
sap | water carrying various kinds of dissolved plant nutrients including sugar |
vascular bundles | the group of xylem and phloem tubes in a vascular plant |
pinnate | leaf vein pattern with one main vein running the length of the leaf and smaller veins branching off the main vein |
parallel | leaf vein pattern with numerous veins extending the length of the leaf, all parallel to one another |
transpiration | the process of water vapor passing through tiny holes in the leaves of a plant |
circulatory system | blood vessels and organs that transport blood to all the cells in the body |
heart | four chambered muscle that pumps blood |
right atrium | upper chamber on the right side of the heart that collects blood from the body |
left atrium | upper chamber on the left side of the heart that receives blood from the lungs |
right ventricle | lower chamber on the right side of the heart that pumps blood to the lungs |
left ventricle | lower chamber on the left side of the heart that pumps blood to all the cells in the body |
heart valves | "one-way doors" that make sure the blood moves in only one direction |
artery | vessels that carry blood away from the heart to other parts of the body |
capillaries | blood vessels that make contact with every cell in the body |
vein | vessels that carry blood from the cells back to the right side of the heart |
lungs | the organ where gases such as oxygen and carbon dioxide pass |
respiratory system | the systems of lungs and tubes that transports oxygen to red blood cells and gets rid of carbon dioxide |
aveoli | tiny air sacs at the ends of the bronchioles |
bronchioles | branches of the tubes that go throughout the lungs |
vital capacity | the maximum volume of air a person can take into their lungs and then expel |
diaphragm | the tough curved muscle in the lower part of the chest cavity |