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Circulatory and Respiratory Systems

Across
A disorder in which a person's blood pressure is consistently higher than normal, also called high blood pressure.
Each of two upper chambers of the heart that receives blood that comes into the heart.
Tiny sacs of lung tissue specialized for the movement of gases between air and blood.
The wind pipe; a passage through which air moves in the respiratory system.
A blood vessel that carries blood back to the heart.
A large, dome-shaped muscle that plays an important role in breathing.
A group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heart rate.
A condition in which blood flow to part of the heart muscle causing heart cells to die.
The passages that direct air into the lungs.
The main organs of the respiratory system.
The voice box; located in the top part of the trachea, underneath the epiglottis.
Down
The largest artery in the body; receives blood from the left ventricle.
A hollow, muscular organ that pumps blood throughout the body.
The throat; part of both the respiratory and digestive system.
Folds of connective tissue that stretch across the opening of the larynx and produce a persons voice.
A flap of tissue in the heart or a vein that prevents blood from flowing backward.
The body system that consists of the heart, blood vessels, and blood; also called the circulatory system.
A condition in which an artery wall thickens as a result of the buildup of fatty materials.
The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells; also called cellular respiration.
Each of the two lower chambers of the heart that pumps blood out of the heart.
A blood vessel that carries blood away from the heart.
A tiny blood vessel where substances are exchanged between the blood and the body cells.
Tiny hair like extensions that move together in a sweeping motion.