Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Y10 digestion and teeth
0
%
0
0
0
Back
Restart
The hard, tough white part of the teeth?
Enamel
Oops!
Okay!
What are the 2 sections of the small intestine
Duodenum (where digestion is completed) and ileum (where digested food is absorbed)
Oops!
Okay!
Which teeth and used for crushing and grinding?
Pre-molars and molars
Oops!
Okay!
Which teeth are used for biting and cutting?
Incisors
Oops!
Okay!
What is formed as bacteria respire sugars?
Acid
Oops!
Okay!
Where is lipase made, and where is it secreted into?
Made in the pancreas, secreted into the duodenum
Oops!
Okay!
What does amylase break down, and what does it turn it into?
Starch into maltose
Oops!
Okay!
Where is maltase enzyme found?
On the membranes of the cells lining the small intestine
Oops!
Okay!
The breakdown of food into smaller pieces without chemically changing it. What is this?
Mechanical digestion
Oops!
Okay!
Moving digested food from the intestines into the blood is known as....
Absorption
Oops!
Okay!
What is meant by emulsification of fats and why is it useful?
Turning large fat droplets into smaller ones - gives a large surface area to speed up lipase action
Oops!
Okay!
Why is it important to brush your teeth regularly?
To remove bacteria / plaque
Oops!
Okay!
Give 2 functions of bile
To neutralise stomach acids, to emulsify fats
Oops!
Okay!
Which enzymes are made in the pancreas?
Amylase, Trypsin and Lipase
Oops!
Okay!
What are lipids broken down into
Fatty acids and glycerol
Oops!
Okay!
The softer part of the teeth under the enamel, has some nerves
Dentine
Oops!
Okay!
Give 2 functions of stomach acid
To kill bacteria (denatures their enzymes) and provide correct pH for pepsin
Oops!
Okay!
Define chemical digestion
The breakdown of large, insoluble molecules into small, soluble molecules by enzymes
Oops!
Okay!
What is the name of the protease enzyme in the stomach?
Pepsin
Oops!
Okay!
What does maltase do?
Breaks down maltose into glucose
Oops!
Okay!
Which part of the tooth has blood vessels?
Pulp
Oops!
Okay!
Name 2 places that protease enzymes are made
Stomach and pancreas
Oops!
Okay!
Which chemical is added to toothpaste and some drinking water to help strengthen the enamel?
Fluoride
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies