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How are we made?

TermDefinition
Body system groups of organs that work together to perform a specific job in the human body
Respiration We breath in air that contains oxygen and we breath out carbon dioxide
trachea Tube that allows air to pass to and from lungs
bronchi two short branches located at the lower end of the trachea that carry air into the lungs.
bronchiole smallest branches of the bronchi
alveoli Tiny air sacs in the lungs at the end of each bronchiole
diaphragm Large, flat muscle bellow the lungs that helps with breathing
lungs Main organs of the respiratory system
blood It carries water, oxygen and other nutrients to all the cells of the human body. It also carries carbon dioxide to the lungs to be exhaled.
circulation process by which blood is moved around the body
atrium Each of the two upper chambers of the heart that receives blood that comes into the heart
ventricle Lower chamber of the heart that pump blood out of the heart
heart A muscular organ of the circulatory system that pumps blood throughout the body.
blood vessels Tubelike structures that carry blood throughout the body
veins A blood vessel that carries blood back to the heart
arteries Blood vessels that carry blood away from the heart
capillaries Smallest blood vessels
reproduction the process of producing new individuals of the species to survive.
sperm ducts Take sperm away from testicles to the urethra
testicles The organs that produce sperm
scrotum External sac that contains the testicles
penis male reproductive organ located outside of the body
urethra tube inside the penis that leads urine and sperm out of the body
sperm Male sex cell
ovaries Female reproductive organ that produce the ova
ovum/ova Female reproductive cell
vagina a muscular tube that connects the uterus to the outside of the female body
vulva External part of the female reproductive system
fallopian tubes Tubes which carry ova from the ovaries to the uterus. Where fertilization occurs
uterus Womb. Internal cavity where the baby develops until its birth.
embryo The developing human organism from about 2 weeks after fertilization up to the nineth week.
foetus Unborn baby; usually around 9 weeks from conception
umbilical cord a tube containing the blood vessels connecting the fetus and placenta
Created by: trini576
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