Unit 4: Vocabulary

Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
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subscapular
below the shoulder blade
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The subscapular artery is the largest branch of the axillary artery.
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tarsal bones
ankle support system composed mainly of collagen and calcium phosphate
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The human foot consists of 7 tarsal bones.
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testicle
an oval organ which produces sperm
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The left testicle is usually larger than the right one.
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thorax
chest
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He had been experiencing pain in his thorax so he went to the doctor.
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thymus
a lymph organ located in the chest
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The thymus gland plays a vital role in the development of a healthy immune system.
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thyroid gland
an organ in the neck which regulates metabolism
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When the thyroid gland produces less hormone, the body's internal processes slow down.
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tonsil
a small mass of lymphoid tissue in the throat
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He had his left tonsil removed as a child due to chronic infection.
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trachea
the windpipe
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The paramedic made a hole in the patients trachea to perform a tracheotomy.
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ulcer
a sore or blister
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Excess stomach acid can cause a stomach ulcer.
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umbilicus
naval or belly button
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The umbilicus serves no function after birth.
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unilateral
affecting only one side
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She suffers from unilateral hearing loss so you should speak into her right ear.
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ureter
the duct carrying urine from a kidney to the bladde
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The kidney stones passed through his ureter and into his bladder.
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urethra
the duct carrying urine from the bladder to outside the body
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Proper hygiene is important to protect from infections of the urethra.
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urinary tract
the series of channels by which liquid waste passes
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There are many infections which can affect the urinary tract.
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uterus
female organ in which an unborn baby develops
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The ultrasound showed the baby inside the uterus.
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vagina
the tube leading from the exterior of the female genitals to the cervix
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Almost 75% of women suffer from yeast infections in the vagina at some point in their lifetime.
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vena cava
the largest vein in the body
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The vena cava carries blood from the head, neck, upper chest, and arms to the heart.
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ventral
toward the front of the body
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The ventral surfaces of the body include the chest, abdomen, and palms.
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ventricle
a hollow cavity in an organ
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The left ventricle is the thickest of the heart's chambers.
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WBC (white blood cell)
common name for a leukocyte which fights infection
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A low white blood cell count puts you at higher risk for bacterial infections.
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