blood vessel
blood vessel
Definition
a tube in which blood travels through the body
Sample Sentence
In the human body, blood travels through three main kinds of blood vessels.
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circulate
Definition to move without stopping through a closed system
circulate (v.)
Sample Sentence
Over a gallon of blood circulates throughout the adult human body.
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circulatory system
the heart and a group of connected tubes that together move blood throughout the body Sample Sentence Exercise helps keep the heart and blood vessels in the circulatory system healthy.
coronary
Definition of or relating to the heart and especially the vessels through which blood travels before reaching heart cells
Sample Sentence
The nurse explained how coronary arteries help supply blood to the heart itself.
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courageous
The courageous firefighters bravely fought the flames. Image Credit: Ted Pendergast/Shutterstock.com
empathetic
Definition understanding and sharing another person’s experiences and emotions
Sample Sentence
The coach was empathetic and understood how the player felt about missing the goal.
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figurative
generous
Definition
generous (adj.)
showing kindness and concern for others by giving or sharing valuable things
Sample Sentence
The generous family shared their food with the neighbors.
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greathearted
Definition
greathearted (adj.)
courageous, generous, and empathetic
Sample Sentence
Greathearted people help others in big and small ways.
healthy
Sample Sentence
A healthy heart beats about 100,000 times each day. Image Credit: Gorodenkoff/Shutterstock.com
heart
heart (n.)
Definition the organ in a person’s chest that pumps blood through their veins and arteries
Sample Sentence
An adult human heart weighs about the same as two baseballs.
Image Credit: Library of Congress
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literal
Definition involving the ordinary or usual meaning of a word or phrase
Sample Sentence
The literal meaning of the word heart refers to the organ that pumps blood throughout the body.
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