Digestive System 1
Which digestive organ absorbs nutrients from our food?
small intestines
Where does digestion begin?
In the mouth
False
The main organ of the urinary system is...
the kidney
Which digestive organ absorbs excess water from our waste?
Large intestine
List the two types of digestion and give an example of each.
mechanical - chewing food
chemical - enzyme in our saliva
Why does your body need food?
for energy
What is the function of the kidney
to filter waste out of the blood
Name the fingerlike projections that absorb nutrients from the small intestine to the bloodstream
Villi
What system (other than the digestive system) does our food interact with when is being pushed through the digestive system by peristalsis
muscular system
How do we measure the amount of energy in food?
Calories
How is the waste collected from the kidney's removed from the body?
Pee!
What is the name of the smooth muscle contraction that moves food throughout the digestive system?
peristalsis
What system (other than the digestive system) does our food interact with when nutrients is being absorbed by the villi?
Circulatory system
fat molecules
protein molecules
sugar molecules
What is the name of the specific structure in the kidney that filters the waste?
nephron
List the order from where digestion begins to where the waste is removed:
Mouth
Esophagus
stomach
small intestine
large intestine
What is the length of the small intestines, large intestines, and total for the digestive system
SI - 22
LI - 5
Total - 30
What activity did we do in class to show that our food contains energy? Explain how this activity proved this?
Burning a chip and using the energy from the chip to boil water
List two systems involved in the excretory system
integumentary (sweating through skin)
urinary system
What is the name of the enzyme found in our saliva that breaks down starch into sugars?
amylase