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Body Systems 1 Quiz

NAME:___________________________________

Date: ____________    Block:___________
Across
microscopic blood vessel that connects arteries and veins
simple innate behavior that is an automatic response and does not involve a message to the brain
process by which organisms exchange nutrient and waste gases
Striated, involuntary muscle found only in the heart.
tiny, thin-walled, grapelike clusters at the end of each bronchiole that are surrounded by capillaries
muscle that can be consciously controlled.
A group of organs that work together to perform one or more functions.
two lower chambers of the heart
a thin layer of tissue that forms a boundary between the body of a human or animal and the outside world
the process of sweating as a response to heat in order to cool the body
These electrical currents excite or inhibit activity in other neurons or in the tissues of the body, such as muscles and glands.
the system of nerve cells and fibers that transmit information in the form of nerve impulses between all parts of the body
a structure, such as the heart, made up of different types of tissues that all work together.
System that forms an internal, living framework that provides shape and support
voluntary, striated muscle that moves bones, works in pairs, and is attached to bones by tendons.
tubelike passageway for food, liquid, and air.
air-conducting tube that connects the larynx with the bronchi
airway to which the vocal cords are attached.
any place where two or more bones come together
Down
two short tubes that branch off the lower end of the trachea
of or relating to the circulation of blood.
the bundle of nerve fibers located in the spine
muscle that cannot be consciously controlled.
a group of similar cells that work together to do one job.
muscle beneath the lungs that contracts and relaxes to move gases in and out of the body.
basic functioning unit of the nervous system
a soft fatty substance in the cavities of bones, in which blood cells are produced
Small space across which an impulse moves from an axon to the dendrites or cell body of another neuron.
two upper chambers of the heart that contract at the same time during a heartbeat.
blood vessel that carries blood away from the heart
involuntary, nonstriated muscle that controls movement of internal organs.
an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture, and circulates blood throughout the body.
Blood vessel that carries blood back to the heart
pigment produced by the epidermis that protects skin from sun damage and gives skin and eyes their color.
organ of soft nervous tissue contained in the skull