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Science Vocab Unit7
Science Vocab on Human Body and Animal Kingdom
| Question | Answer |
|---|---|
| Autotrophic | Animal that makes its own food |
| Filter Feeder | aquatic animals that strain tiny floating organisms from the water |
| Difusion | diffusing gases through organim's kin to respire |
| Dorsal | the back side of an organism |
| Radial Symetry | symetry in which any number of imaginary planes can be drawn through the center dividing the body in equal halves |
| Bilateral Symmetry | only a single imaginary plane can devide the body equaly |
| Vertebral Column | back bone use to support an organism |
| Endothermic | A reaction in which energy is absorbed and gets colder |
| Exoskeleton | tough external covering |
| Gill | Organ specialized for the exchange of gases underwater |
| Muscle Tissue | tissue that controls internal movement of materials in the body as well as external movement |
| Connective Tissue | holds organs in place and binds different parts of the body together |
| Nervous Tissue | Receives messages from the body's external and internal environments, analyze the data and directs responses |
| Epithelial Tissue | covers the surface of the body and lines internal organs |
| Homeostasis | maintaining a stable internal environment |
| Neuron | cell that carries messages throughout the nervous system |
| Nerve Impulse | electrical discharge that travels along a nerve fiber |
| Neurotransmitter | Chemical that transmits nerve impulses accross a synapse |
| Red Bone Marrow | Children and some adult's bone marrow that is required for the forming of red blood cell |
| Cartilage | strong connective tissue that supports the body and is softer and more flexible than bone |
| Ball and Socket Joint | Permits movement in the widest amount of direction |
| Fixed (Immoveable) | Joint that allow no movement |
| Hinge Joint | Permit back and forth motion |
| Saddle | Permit one bone to side in two direction (thumb joint) |
| Pivot Joint | allow one bone to rotate arround another |
| Ligament | strips of tough connective tissue |
| Smooth muscle | does not appear striated; involuntary action controlled by it |
| Cardiac Muscle | muscle tissue of the heart |
| Striated | Muscle connected at either or both ends to a bone and so moves part of the skeleton |
| Tendon | tough connective tissues; connects muscles to bones |
| Capillaries | smallest of blood vessels |
| Veins | vessels carrying blood back to the heart |
| Arteries | Vessels carrying blood from heart to the tissue |
| Valves | flaps of connecting tissue |
| Hemoglobin | iron containing protein that binds to oxygen in the lungs and transports it to tissues |
| Pharynx | Serves as a passage for air and food |
| Diaphragm | large, flat muscle at bottom of the cavity |
| Amylase | Enzyme that breaks chemical bonds in starches and release sugar |
| Hormone | chemicals released in one part of the body that travels through the blood stream and affects the activities of cells |
| Feedback Inhibition | Disease in which the biochemical pathway stops synthesis |
| Autoimmune Disease | When the immune system attack itself |
| Epidermis (skin) | Outer layer of the skin covering the exterior body surface |
| Alveoli | thin air sacks of the lungs |
Created by:
msiron2000
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