Download Digestive System /Urinary System Review

Digestive System /Urinary System Review
1____Digestion__ is the process by which food is changed so it can be
2_absorbed________ by the body’s cells. When food is 3_chewed___________ in the
mouth, the 4_teeth__________ break it down into smaller pieces. The
5__salivary________ glands are in the mouth and release 6__saliva______________ that
contains a chemical to begin the digestion of 7__carbohydrates___________. Saliva is a
fluid that helps soften food so it can be8 ___swallowed_________ more easily. When
you swallow, food moves down the 9___esophagus___________- which connects the
mouth to the 10___stomach________. Food moves to your stomach by a process of
11___peristalsis_______ which are 12___involuntary_____muscle contractions. This
process can move food even if you are standing on your head. Food is now in the
13__stomach_____________ where 14__acids______ and juices are released to mix
together to make a thick paste called15 __chyme_________. After about four hours of
16_____churning______, muscles in the stomach force the food into the 17___small
intestine_______ - where the greatest amount of digestion and
18__absorption__________ take place. The 19_liver________ is a gland that releases
20_bile___________ to help break down fats, maintain 21___blood sugar_______ levels,
and filter poisonous wastes. This chemical is stored in the 22__gall bladder___. The
23__pancreas___________ also releases enzymes that aid in digestion in the small
intestine. After food passes through the small intestine, in enters the24 __large
intestine__________ also known as the colon. This is where undigested food is prepared
for 25___elimination_______ from the body. The waste is temporarily stored in the
26___rectum__________. Once it is full, it contracts and solid wastes leave the body
through the 27__anus__________.
The 28_urinary system_________ removes liquid waste from the body and maintains the
body’s 29__water__________ balance. The organs of the urinary system are:
30___Kidneys________________- that filter the blood and 31___excretes___________
waste products and excess water in the form of 32___urine_______________, the33
__urinary bladder______ is a muscular sac that stores urine, the
34___ureter__________________- a narrow tube that connects the kidney to the bladder
and the 35_____urethra_________________a narrow tube extending from the bladder to
the outside of the body through which urine passes.