The Human Body--Quizlet
Terms in this set (32)
(biology) the basic structural and functional unit of all organisms
thin, flexible barrier around a cell; regulates what enters and leaves the cell
control center of the cell
a jellylike fluid inside the cell in which the organelles are suspended
group of similar cells that perform a particular function
A body tissue that contracts or shortens, making body parts move.
A body tissue that carries electrical messages back and forth between the brain and every other part of the body.
provides support for your body and connects all its parts
tissue that covers the surface of the body and lines internal organs
group of tissues that work together to perform closely related functions
A group of organs that work together in performing vital body functions.
the inner framework made up of all the bones of the body
the muscles attached to bones that enable you to move
(anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion)
a substance in food that provides energy or helps form body tissues and that is necessary for life and growth.
the process of absorbing nutrients into the body after digestion
body organs or structures that produce secretions
a change in an organism's surroundings that causes the organism to react
a reaction to a stimulus
chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues
the ability of a living thing to keep conditions inside its body constant
the body's and mind's response to a demand
supports and protects the body
organ system that includes har, skin, and nails and protects the body from pathogens and maintains homeostasis
the organ system whose primary function is movement and flexibility
The human body system that contians the heart, blood, and all of the blood vessels. It delivers all the nutrients to the cells
organ system that exchanges oxygen and carbon dioxide (trachea, lungs, bronchi, alveoli)
body system the breaks down food and absorbs nutrients
group of organs including the kidneys, liver, skin, large intestine and lungs that purify the body by the elimination of waste matter
consists of brain, spinal cord, and nerves and regulates the body's responses to internal and external stimuli
collection of glands that secrete hormones into the blood which regulate growth, development, and homeostasis
organ system which functions in creating offspring (penis and testes in males, ovaries, uterus, and vagina in females)
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