Chemistry of the Body - - Part III

Question 1

What is the skin darkening material?

Answer 1

Melanin

Question 2

What is the inner layer of the skin?

Answer 2

Dermis

Question 3

What are the 11 super coils?

Answer 3

micro fibril

Question 4

What is the name for skin cancer?

Answer 4

melanoma

Question 5

What is the protein that makes up hair?

Answer 5

alpha keratin

Question 6

What are the bonds that keep hair in place often with an oxygen molecule?

Answer 6

hydrogen bond

Question 7

What are several layers of flat cells that overlap and give hair it’s flexibility?

Answer 7

cuticule

Question 8

What is burning the skin in small amounts?

Answer 8

tanning

Question 9

What are the bonds that are responsible for your hair laying flat?

Answer 9

ionic bonds

Question 10

What are deep pockets in the scalp where hair grows from?

Answer 10

follcile

Question 11

What is it when curls are created or removed - - a change that can NOT go back?

Answer 11

permanent

Question 12

What is the sunscreen protection factor - it protects the skin from UV rays?

Answer 12

SPF

Question 13

What are the glands that secrete oil and keeps the skin flexible?

Answer 13

Oil glands

Question 14

What is the outer layer of the skin that produces skin cells?

Answer 14

epidermis

Question 15

What is the molecule when electrons are shared equally between two atoms?

Answer 15

non-polar molecule

Question 16

What is it called when someone loves water?

Answer 16

hydrophylic

Question 17

What are long chains of amino acids?

Answer 17

proteins

Question 18

What are 3 coiled chains of alpha keratin?

Answer 18

super coils

Question 19

What is produced by the skin and used to transfer calcium to our bones?

Answer 19

vitamin D

Question 20

What are molecule where electrons spend more time at one atom than the other causing a charge?

Answer 20

polar molecules

Question 21

What disease is caused when bones are soft and deformed?

Answer 21

rickets

Question 22

What is water fearing?

Answer 22

hydrophobic

Question 23

What glands secrete mostly water to cool the skin?

Answer 23

Sweat glands

Question 24

What is caused by sun damage?

Answer 24

wrinkles
melanoma
tan

Question 25

What does NOT prevent acne?

Answer 25

touching your face

Question 26

Soap molecule have two sides - - which side (heads or tails) is the polar side?

Answer 26

tail

Question 27

What part of the soap molecule will attach to water?

Answer 27

Head

Question 28

Which bond used water and allows a temporary change in your hair?

Answer 28

ionic bond

Question 29

What side of the soap molecule is non-polar?

Answer 29

head

Question 30

What type of bond allows your hair to lie flat?

Answer 30

ionic bonds

Question 31

What bond is responsible for your straight or curly hair?

Answer 31

disulfide bonds

Question 32

How much sun exposure do we need everyday?

Answer 32

15 minutes

Question 33

What % of your sweat is water?

Answer 33

99%

Question 34

What side of the soap molecule is polar?

Answer 34

tail

Question 35

Where is hair living?

Answer 35

In the follicle

Question 36

What % of your sweat is salt?

Answer 36

1%

Question 37

Why doesn't oil and water mix?

Answer 37

they are both polar

Question 38

What is the minimum of SPF in your sunscreen that you should wear?

Answer 38

30

Question 39

why does your body need Vitamin D?

Answer 39

it makes the body function better

Question 40

How is heat able to help you style your hair?

Answer 40

it forms a bond faster

Question 41

How can UV rays cause skin cancer?

Answer 41

the cell reproduces slower

Question 42

What causes us to smell or stink?

Answer 42

bacteria

Question 43

How does water help style your hair?

Answer 43

water bonds with your hair

Question 44

How can minimal sunburn damage your skin?

Answer 44

blisters

Question 45

What keeps your skin flexible?

Answer 45

oil glands

Question 46

Give an example of a polar molecule?

Answer 46

water

Question 47

Why is your hair flexible?

Answer 47

Because of the oil

Question 48

Where are your sweat glands located?

Answer 48

dermis

Question 49

What is it when epidermal cells that are at the surface flake off and clump together they make?

Answer 49

dandruff

Question 50

If you have more melanin - - you need (more or less) exposure to the sun to get vitamin D?

Answer 50

more

Question 51

``` What is NOT caused from sun burns and tanning? wrinkles thickening of the epidermis increased cell division skin blisters ```

Answer 51

increased cell division

Question 52

Be able to draw and label the parts of a water molecule.

Answer 52

Look at your notes