EXAM QUESTIONS AND ANSWERS 100%
ACCURATE!!!
, Atom - ANSWER The Smallest Unit Of Matter ,Bonded Together=Molecules
Molecules&Cells - ANSWER Building Blocks Of Cells
cell membrane - ANSWER Outer Layer Of Cell ,,contains The Cytoplasm(cell liquid)
Tissues - ANSWER Cells Joined Together ,Group Of cells acting together to perform a
common function ,
appetite - ANSWER Desire To Eat ,Brought On by sight smell,thought of food
hunger - ANSWER Psychological drive to eat ,sensed by body
hypothalumus - ANSWER Part Of Brain that contains nerve cells "feeding center &
satiety center "
nerve cells in stomach - ANSWER Sense food ,sends message to hypothalamus
signals that prompt us to eat - ANSWER Nerve Receptors In Stomach,sends to
hypothalamus ,blood glucose levels (insulin's &glucagon)
Hormones - ANSWER Chemicals Made In Glands That travel in blood to organs
Hormones That Stimulate Hunger - ANSWER ghrelin,
Hormones that produces a feeling of satiety - ANSWER Cholecystokinin ,leptin
Different effects food has on our body - ANSWER Proteins Highest satiety value ,carbs
has lower satiety value then fat ,
gastrointestinal tract - ANSWER Organs Food Travels Through To Be digested contains
Sphincters (muscles that control the passage of material from one organ to the next)
Digestive Order - ANSWER Mouth, pharynx, esophagus, stomach, small intestine, large
intestine, rectum,
salivary glands - ANSWER produce saliva ,bolus(mixture of water ,mucus,enzymes.
Liver - ANSWER produces bile to emulsify fats