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Lab practical
test 6/10
33
Biology
9th Grade
06/05/2011

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Term
What does the right atrium do?
Definition
receive blood from vena cava, contracts, opens the tricuspid valve to fill the right ventricle with blood
Term
What does the left atrium do?
Definition
receives oxygenated blood from pulmonary arteries, contracts, opens mitral valve to fill the left ventricle with blood
Term
What does the right ventricle do?
Definition
pumps blood from the heart to the lungs and back to the heart
Term
What does the left ventricle do?
Definition
pumps blood from the heart to the rest of the body
Term
What does the aorta do?
Definition
Largest blood vessel that pumps oxygenated blood to rest of body
Term
What does the ductus arteriosus do?
Definition
it is a shunt connecting the pulmonary artery to the aortic arch. It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled lungs.
Term
What does the pulmonary trunk do?
Definition
"pipe" that your blood goes throught to get from the right side of your heart to the lungs to get oxygenated
Term
What does the coronary artery do?
Definition
feeds the heart
Term
What does the renal artery do?
Definition
supplies blood to kidneys
Term
What does the umbilical artery do?
Definition
supply deoxygenated blood from the fetus to the placenta in the umbilical cord
Term
What do the lungs do?
Definition
provide a surface for gas exchange, oxygenate blood
Term
What does the pericardium do?
Definition
lubricate heart muscle
Term
What does the superior vena cava do?
Definition
pump blood from inferior vena cava to right atrium
Term
What does the inferior vena cava do?
Definition
Pumps blood from lower half of body to heart
Term
Function of the ureter?
Definition
transports urine from the renal pelvis of the kidney to which it is attached, to the bladder
Term
function of esophagus
Definition
food tube running from pharynx to stomach
Term
Function of trachea?
Definition
respiratory airway
Term
What does the rectum do?
Definition
keeps large intestine shut until the need for feces arrives, then helps move feces out of body
Term
What does the pancreas do?
Definition
-helps with digestion (stomach acids, enzymes, break down foods)
-blood sugar regulation
Term
what does the cystic duct do?
Definition
transports bile
Term
What does the mesentary do?
Definition
secures the small intestine in place
Term
function of the urinary bladder?
Definition
store urine temporarily
Term
function of the urinary bladder?
Definition
store urine temporarily
Term
What is the function of the larynx?
Definition
voice box
Term
What is the function of the spleen?
Definition
part of the immune system and contributes to the production and storage of blood cells as part of the circulatory system
Term
Function of the kidneys?
Definition
-remove waste
-regulates blood pressure
-stimulates bone marrow to produce RBCs
Term
function of small intestine?
Definition
absorb nutrients
Term
Function of ileocecal valve?
Definition
-prevent the backflow of fecal contents from the colon to the small intestine. --prevent the contents of the ileum from passing into the cecum prematurely.
Term
Function of the large intestine?
Definition
-makes food into feces
-stores waste
Term
Function of the pyloric sphincter?
Definition
controls movement of food from stomach to small intestine.
Term
Function of the gastroesophageal sphincter?
Definition
To keep the contents of the stomach from going back up the esophagus
Term
Functions of the liver?
Definition
produces bile for the break down of fats
converts glucose (sugars) to glycogen (stored sugar)
filters harmful substances from the blood such as alcohol
storage of vitamins and minerals (Vitamin A, D, E, & K)
responsible for producing cholesterol. produces about 80% within the body.
matures red blood cells
Term
Function of the epiglottis?
Definition
The function of the epiglottis is to block off food and liquids from entering the trachea
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