science test

?
  • Created by: kellsey
  • Created on: 24-02-16 12:09
whats the persentage of fruits and veg in a balanced diet?
35%
1 of 31
whats the persentage of startchy foods in a balanced diet?
29%
2 of 31
what the persentage of sugary drinks and snacks in a balanced diet?
9%
3 of 31
whats the persentage of non dairy sources of protein in a balanced diet?
12%
4 of 31
whats the persentage of dairy products in a balanced diet?
15%
5 of 31
What does protease do?
it breaks down protein molecules
6 of 31
what does carbohydrase break down?
Carbohydrate molecules
7 of 31
what does lipase break down?
fat molecules
8 of 31
what type of cells carry oxyen?
red blood cells
9 of 31
what type of cells fight against germs?
white blood cells
10 of 31
what is a pathogen?
an organism that causes disease
11 of 31
name three types of pathogens?
Fungi, Bacteria, virus
12 of 31
What is a insizor used for?
for biting and cutting
13 of 31
what is a canine used for?
for holding and cutting
14 of 31
what is premolar and molar used for?
crushing and chewing
15 of 31
what is tooth decay?
Tooth decay happens when the hard outer enamel of the tooth is damaged. This can happen when bacteria in the mouth convert sugars into acids that react with the enamel. Bacteria can then enter the softer dentine inside.
16 of 31
what is the central nerve system?
the brain and spinal cord
17 of 31
what is the peripheral nervous system?
nerve cells that carry information to or from the CNS
18 of 31
what are the Nerve cells called?
neurones
19 of 31
how many chromosomes are there in a human sperm cell?
23
20 of 31
an eye doctor is ?
opotometrist
21 of 31
retina
has receptors which are sensitive to light
22 of 31
ciliary muscle
helps to change shape of lens
23 of 31
optic nerve
takes nerve impulses to the brain
24 of 31
iris
controls howmuch light goes into the eye
25 of 31
two promblen people could get looking at a computer screen for to long.
1.tried eyes 2. blurred vision
26 of 31
proteins- protease enzyme
amino acids
27 of 31
starch- carbohydrase enzyme
sugars
28 of 31
fats - lipase
fatty acids - glycerol
29 of 31
two factors that affect the rate of enzyme action
1. temperature 2. pH
30 of 31
which organ produces urea?
liver
31 of 31

Other cards in this set

Card 2

Front

29%

Back

whats the persentage of startchy foods in a balanced diet?

Card 3

Front

9%

Back

Preview of the back of card 3

Card 4

Front

12%

Back

Preview of the back of card 4

Card 5

Front

15%

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Cells, tissues and organs resources »