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Excretory & Digestive System
Second Semester Exam
26
Anatomy
9th Grade
05/20/2008

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Cards

Term
How does the process of peristalsis act to aid digestion?
Definition
squeezes "tube" to push down food.
Term
What are the ingredients of gastric juice?
Definition
hcl and enzymes
Term
What does gastric juice do?
Definition
breaks down protein and churns into chyme
Term
What is the degestive funtion of each of the three sections of the small intestine?
Definition
duodenum ->  Bile, pancreatic juice, wall of intestine wall (enzymes)
Term
What are the digestive contributions of the liver and pancreas?
Definition
transports toxins and nutrients; bile, pancreatic juice.
Term
When does the excretory system join forces with the digestive system?
Definition
large intestines; rectum and anus.
Term
Explain the connextion between the colon and the excretion of both liquid and solidwastes.
Definition
bladder - Liguid wastes go through urethra
Term
What are the five levels of organization that help our bodies to funtion?
Definition
Cells - Tissues - organs - systems - living things
Term
What are hormones?
Definition
all of the functions that give your body energy and help your body grow.
Term
Where do hormones come from?
Definition
Chemical messengers and glands.
Term
What is feedback mechanism?
Definition
feeding back to normal
Term
Where is the pituitary gland?
Definition
in the brain
Term
What is the function of the pituitary gland?
Definition
instructs other body organs and muscles what to do (grow & function)
Term
Where is the thyroid gland?
Definition
In the throat
Term
What is the function of the thyroid gland?
Definition
regulates metabolism
Term
Where are the four parathyroid glands?
Definition
In front of the thyroid
Term
What are the parathyroid gland's functions?
Definition
regulate calsium - promote strong teeth, help secretion.
Term
What is the name of the gland known as the "excitement gland"?
Definition
adrenal
Term
Which of adrenal's hormones give us strength and speed in a crisis?
Definition
adrenaline
Term
What do steroids do?
Definition
Help regulate food, store energy
Term
What are the funtions of steroids?
Definition
Directs how the body regulates food and stores energy
Term
Which hormones are referred to as, "sleeping beauties"?
Definition
hormones that start only are certain times.
Term
How to "sleeping beauty" hormones relate to puberty?
Definition
all begins at puberty
Term
Where does puberty take place in boys? Where does it take place in girls?
Definition
Boys - testes, Girls - ovaries
Term
Why does the sperm and egg need to join together to create a complete human baby?
Definition
Because each is providing half of the genetic material
Term

zygote=

embryo=

feetis=

baby=

Definition

zygote= fertilize egg

embryo= early devepement - 12 weeks (cell division)

feetis= recognizable features

baby= when it's born

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