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| atoms molecules, and macromolecules. Atoms combine and form molecules and they form organelle's. Is complex of macromolecules; carries nuclei, mitochondria, and ribosomes. |
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| Basic structural and functional units of body; process of life occur within cells. lowest level of organization that is alive. |
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| consists of aggregation of similar cells that do similar functions. Major classes of tissues epithelial, connective, muscle, and nerve tissue. |
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| Organs: Skin, hair, nails, and associated glands |
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| function: protects underlying tissues and helps regulate body temperature |
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| Organs: bones, ligaments, and associated glands. |
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| Function: Supports the body, protects vital organs stores minerals and is the site of blood cell production. |
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| Organs: skeletal muscles and tendons |
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| Functions: Moves the body and body parts along with producing heat. |
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| Organs: nose, pharynx, larynx, trachea, bronchi, lungs. |
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| Function: exchanges O2 and CO2 between air and blood in the lungs, pH regulation and sound production. |
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| Organ: blood, heart, arteries, veins, and capillaries. |
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| Function: transports heat and materials to and from body cells. |
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| Organs: lymph, lymphatic, vessels and lymphoid organs and tissues. |
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| Function: collects and cleanses interstitial fluid and returns to the blood and provides immunity. |
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| Organs: kidneys, uterus, urinary bladder, urethra. |
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| Function: regulates volume and composition of blood by forming and excreting urine. |
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| Organs: hormone-producing glands, such as pituitary and thyroid glands. |
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| Function: Secretes hormones that regulate body functions. |
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| organs: brain, Spinal cord, nerves, and sensory receptors. |
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| Function: rapidly coordinates body functions and enables learning and memory. |
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| Organs: Stomach, mouth, pharynx, esophagus, intestines, liver, pancreas, gallbladder, and associated structures. |
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| Functions: digest food and absorbs nutrients. |
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| Levels of organization from the most complex to the simplest |
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| organ system, organ, tissue, cells, organelle's and molecules. |
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| The head is ____ to the neck |
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| The hand is ___ to the wrist |
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| The skin is ____ to the muscles |
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| The mouth is ____ to the nose |
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| The Elbow is ____ to the wrist |
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| means that a body part is above another |
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| means that a body part is below another body part (neck is ___ to head _ |
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| Means towards the front (eyes are ___ to the brain ) |
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| midlines dividing the body into equal right and left halves. |
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| means towards the side, away from the midline |
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| refers to paired structures, one of which is on each side of midline. (ex: lungs) |
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| refers to structures on the same side. (ex: the right lung and right kidney) |
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| refers to structures on the opposite side. |
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| describes a body part that is closer to a point of attachment to the trunk that another part is. (ex: elbow is __ to wrist) |
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| is the opposite of proximal. particular part is farther from a point of attachment to the trunk than another body part is. ( Fingers___ to wrist) |
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| situated near the surface. (ex: skin) |
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| maintenance of a dynamic balance of substances in body fluids |
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| breakdown of complex substances |
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| Synthesis of complex substances |
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| Mechanism regulating homeostasis |
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| Sum of the chemical reactions that occur in the body |
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| Five basic needs essential human life |
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| Food, water, oxygen, body temperature, atmospheric pressure |
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| Components of a negative-feedback mechanism |
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| Receptor, integrating, and effector. |
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