Biology Flashcards

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Spirillum

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A spiral-shaped bacterium.

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T Lymphocyte (T Cells)

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A type of lymphocyte responsible for cell-mediated immunity that differentiates under the influence of the thymus.

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Transmission

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The way a microbial organism moves from one host to another.

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Virus

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A large group of submicroscopic infective agents with a protein coat surrounding an RNA or DNA core, capable of growth and multiplication only in living cells, causing diseases in humans, animals, or plants.

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Cardiovascular System

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The transport system of the body responsible for carrying oxygen and nutrients and removing carbon dioxide and wastes; composed of the heart, blood vessels, and blood.

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Digestive System

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The group of organs that break down foods into chemical components for absorption and use for energy and building and repairing cells and tissues.

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Nervous System

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The bodily system in vertebrates made up of the brain, spinal cord, nerves, ganglia, and parts of the receptor organs, receiving and interpreting stimuli and transmitting impulses to effector organs.

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Organ

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Collection of tissues performing a particular function or set of functions in an animal's body, such as the heart, brain, and skin.

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Respiratory System

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A system of organs for gas exchange between the body and the environment, including the nose, nasal passages, nasopharynx, larynx, trachea, bronchi, and lungs.

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System

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A collection of components organized to accomplish a specific function or set of functions.