Integumentary System

Question 1

What is the Integumentary System composed of?

Answer 1

It is composed of organs that form the external covering of the body and protect it from many threats.

Question 2

Why do the specialized cells from our Integumentary System secrete melanin?

Answer 2

To protect the body from the carcinogenic effects of UV rays and cells that have an immune function

Question 3

What are the parts of the Integumentary System

Answer 3

Hair, skin, nails, glands, nerves

Question 4

What is the main function of the Integumentary System

Answer 4

It acts as a barrier to protect the body from the outside environment.

OR

It helps retain body fluids, protects against diseases, eliminates waste products, and regulated body temperature

Question 5

For the Integumentary System to do its job, it needs to?

Answer 5

Work with all the other system in our body

Question 6

What are the first line of defences of our body against pathogens

Answer 6

Integumentary System

Question 7

Name the functions of the body parts of the Integumentary System in this order: Hair, nails, glands, nerves.

Answer 7

Hair - helps keep you warm
Nails - gives structure to the ends of our fingers
Glands - releases oils for moisture and protection
Nerves - sends and receives messages to the brain

Question 8

Name all the functions of the Integumentary System
None - 1
1-2 - 2
3-4 - 3
5-6 - 4
7 - 5

Answer 8

1. Protects the body’s internal living tissues and organs
2. Protects the body against invasion from infectious organisms
3. Protects the body from dehydration
4. Protects the body against abrupt changes in temperature
5. Helps in disposing waste materials
6. Acts as receptor for touch, pressure, pain, heat, and cold
7. Stores water and fat

Question 9

Name all of the layers of the skin

Answer 9

Epidermis, dermis, hypo dermis

Question 10

What is the Epidermis?

Answer 10

The epidermis is composed of epithelial cells that serve as the other layer of the skin.

Question 11

What is the dermis?

Answer 11

The dermis is the layer directly below the epidermis. This layer is 15-40 times thicker than the epidermis

Question 12

What is the dermis for?

Answer 12

Composed of connective tissues to prevent the skin from tearing and enable the skin to return to its normal state after being scratched

Question 13

The outer layer of the epidermal cells secrete protein which is referred to as?

Answer 13

Keratin

Question 14

What is the hypo dermis?

Answer 14

They layer beneath the dermis.

Question 15

What is the hypo dermis for?

Answer 15

It composes connective tissues that store fats and helps the body in retaining heat

Question 16

What are the two alternative names for the sweat glands

Answer 16

Sudoriferous and sudoriparous glands

Question 17

What are sweat glands?

Answer 17

Sweat glands are small tubular structures of the skin that produces sweat

Question 18

Where is the hair root located?

Answer 18

The hair root is located below the surface of the skin

Question 19

What is the hair root?

Answer 19

The hair root is a part that interacts with many other associated structures within the dermis and hypo dermis layers of skin

Question 20

What is the hair shaft

Answer 20

The hair shaft is the visible part of the hair that protrudes through the skin

Question 21

What are the special cells that create skin color

Answer 21

Melanocytes

Question 22

What do melanocytes also produce aside from skin color

Answer 22

Pigment, and melanin

Question 23

Where can melanocytes be found

Answer 23

In the epidermis