The Circulatory System Word Search

Illustrated The Circulatory System scene — AI-generated artwork behind this topic's word search puzzle
Illustrated The Circulatory System scene — AI-generated artwork behind this topic's word search puzzle

The Circulatory System, as a word search. 12 words drawn from the terms and ideas of a school subject sit hidden in a 15×15 letter grid, running in every direction. Drag across a word to claim it, and clear the board to finish.

Words to find: HEART, ARTERY, VEIN, BLOOD, PLASMA, PLATELET, CAPILLARY, AORTA, VALVE, VENTRICLE, ATRIUM, PULSE.

Found words stay highlighted, so the grid gets easier to read as you go and the final few tend to fall quickly.

The Circulatory System word list, defined

HEART /hɑːt/ (British); /hɑːrt/ (American) · noun, verb
The hollow muscular organ that pumps blood around the body. Figuratively, a heart can mean a person's feelings, love, sympathy, courage, innermost thoughts, or the central part of something. Related: courage, spirit, core, center.
ARTERY /ˈɑːtəri/ (UK), /ˈɑːrtəri/ (US) · noun
A blood vessel that carries oxygenated blood from the heart to the tissues and organs of the body (with the pulmonary arteries being the exception, carrying deoxygenated blood to the lungs); figuratively, a major route or channel for transport or communication. Related: blood vessel, vessel, aorta, channel.
VEIN /veɪn/ · noun
A vein is a blood vessel that carries blood toward the heart. By extension, the word refers to a channel or seam in rock or soil, a course of water, a distinctive style or tendency in writing, and a streak of talent, emotion, or humor. Related: blood vessel, lode, seam, channel.
BLOOD /blʌd/ · noun
The red fluid that circulates through the arteries and veins of humans and other vertebrates, carrying oxygen and nutrients to the tissues and removing waste products; also used figuratively to mean family lineage, violence or killing, or a person's temperament. Related: lifeblood, lineage, kinship, gore.
PLASMA /ˈplæzəm/ · noun
In biology, plasma is the pale-yellow, cell-free fluid that remains when blood cells are removed from blood. In physics, it is an ionized gas containing charged particles, as found in stars, plasmas, and some laboratory devices. Related: blood plasma, serum, ionized gas.
PLATELET /ˈpleɪtlət/ · noun
A platelet is a small, flat fragment of a blood cell involved in blood clotting. Platelets help damaged blood vessels form clots and stop bleeding. Related: thrombocyte, clotting body.
CAPILLARY /ˈkæpəˌlɛri/ · noun, adjective
As a noun, a capillary is any of the tiny, thin-walled blood vessels that form a network between the arterioles and venules, through which oxygen, nutrients, and waste are exchanged with body tissues. As an adjective, it describes something relating to or resembling such fine vessels, or having the properties of capillarity — the movement of liquid through very narrow spaces. Related: capillary vessel, hairline vessel, microvessel, blood vessel.
AORTA /eɪˈɔːtə/ (British), /eɪˈɔːrtə/ (US) · noun
The main and largest artery of the human body, which carries oxygenated blood from the left ventricle of the heart to all parts of the body except the lungs. Related: main artery, great artery, aortal vessel.
VALVE /vælv/ · noun and verb
As a noun, a valve is a device or movable part that regulates the flow of liquid, gas, or other fluid through a pipe, chamber, or passage. It can also refer to an anatomical flap that controls circulation or to a device that alters airflow in a musical instrument. As a verb, “valve” means to regulate or control the flow or passage of something. Related: faucet, tap, cock, stopcock.
VENTRICLE /ˈvɛntrɪkəl/ · noun
A ventricle is a chamber or cavity within an organ, especially one of the two lower chambers of the heart that pump blood out toward the lungs or the rest of the body. In the brain, ventricles are communicating cavities containing cerebrospinal fluid. Related: chamber, cavity, lower chamber.
ATRIUM /ˈeɪtriəm/ · noun
A large open space, often with a glass roof, at the centre of a building such as a hotel or office. In anatomy, an atrium is one of the two upper chambers of the heart that receive blood. Related: hall, lobby, court, courtyard.
PULSE /pʌls/ · noun, verb
As a noun, a pulse is a regular throbbing or beating, especially the rhythmic movement of an artery corresponding to the heartbeat; it can also mean a brief signal conveyed by a flash or other controlled emission. As a verb, it means to beat or throb rhythmically, or to transmit or signal with such beats. Related: heartbeat, beat, throb, pulsation.

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