Integumentary System

Question 1

integumentary system

Answer 1

includes skin, glands, hair, and nails. It protects the body, regulates temperature and performs other vital functions.

Question 2

epidermis

Answer 2

consists of keratinized stratified squamous and epithelial tissue. As cells age they migrate from deeper regions to the exterior surface and become more flattened and slough off then are replace by younger cells

Question 3

dermis or cutaneous layer from the work cut as when a cut is deep to the dermis it bleeds from the blood vessels.

Answer 3

is connective tissue and is where hair follicles are. in addition to containing capillaries and small blood vessels.

Question 4

hypodermis or subcutaneous

Answer 4

two major types are both loose connective category: areolar and adipose tissue. below is muscle

Question 5

hair is generated by

Answer 5

epithelial cells at the base of the hair follicle in the dermis

Question 6

Sebaceous glands

Answer 6

accessory structures originating in the dermis that secrete sebum on to hair emerging from the hair follicle

Question 7

ceruminous glands

Answer 7

accessory structures that produces ear wax. only found in dermis of ear canal

Question 8

apocrine sweat gland

Answer 8

changes scents. bacteria uses apocrine sweat components as nutrients. may be a considered a sex pheromone

Question 9

eccrine sweat glands

Answer 9

originating throughout the dermis of the human body, which secrete sweat used primarily for thermoregulation

Question 10

Six primary functions

Answer 10

1. removes metabolic wastes
2. synthesizes vitamin d
3. communication tool 4.sensory tool
4. provides protection to the body
5. main organ of temperature regulation

Question 11

how does your skin assist in temperature regulation

Answer 11

1. perspiration

2. diameter changes of blood vessels.

Question 12

where are temperature sensors located

Answer 12

hypothalamus and skim

Question 13

cutaneous vasodilation

Answer 13

increase in diameter of blood vessels in the dermis that reduces blood flow through the skin.
this allows more blood to flow near surface of the body so body heat carried by the blood is transferred to external environment
next it produces sweat

Question 14

how does the skin generate heat

Answer 14

by the contraction of cutaneous smooth muscles, but the skin also also reduces the blood flow keeping heat in