More digestive system questions' Flashcards
The digestive system has____major functions?
3
Digestion can be categorized as either____or____.
mechanical or chemical
Most nutrients are absorbed in the ____?
small intestine
Accessory organs provide__, __, and __?
bile, hormones, and enzymes.
___is absorved from ___ in the ___?
water, chyme, colon
What produces bile which helps the body break down fats?
liver
What is the largest internal organ of the body?
liver
What produces enzymes, hormones, and an alkaline fluid?
pancreas
What is the small organ with no known function that sometimes gets infected?
the appendix
Where is water absorbed?
the large intestine
Where is mechanical digestin completed?
the small interstine
Where are nutrients absorbed?
the small intestine
Where does peristalsis happen?
large and small intestines
Where is undigestivle material collected?
the large intestine
Where are bile and pancreatic juices added?
the small intestine
Where is chemical digestion completed?
the small intestine
What is the function of the gallbladder?
to store bile
Where does food spend the most time?
the large intestine
What is the purpose of the mucous on the inner layer of the oesophagus?
Lubricates the food
What are the three substances secreted by the inner lining of the stomach?
Mucous, hydrochloric adic, and enzymes.
Outline the function of bile?
Helps emulsify fates in duodenum.
What are the four functions of the liver?
1) regulate blood sugar levels
2) break down toxine
3) processes waste products
4) produces bile
What is a nephron?
Millions of microscopic filters in the kidney.
each nephron consitsts of a bundle of ___, surrounded by a ___, which is connected to a tuble.
capillaries, capsule
Blood flow through the capillaries is under realtively ___ pressure.
high
this forces ___ and various small molecules out into the capsule, and on into the tuble.
water
Some of the material that passes intothe tuble is still needed by the body. True or false.
true
This includes___, ___, and much of the ___.
Glucose, minerals, water
These substances are_____ by capillaries that line the tubles
reabsorbed
The rest of the urine continues along the tuble with wastes products such as ___.
urea
Urine travels through the tubes calles____into the bladder.
ureters
Urine collects in the bladder until it is released through the _____/
urethra
Urine collects in the bladder until it is released through the _____.
urethra
