ATI Science- Integumentary & Urinary System

Question 1

Function of integumentary system

Answer 1

protection, secretion, communication

Question 2

Parts of integumentary system

Answer 2

skin, hair, nails, sweat glands, sebaceous glands

Question 3

secretes sebum (oil) that waterproofs skin

Answer 3

sebaceous glands

Question 4

helps body get rid of waste & helps w/ thermoregulation

Answer 4

sweat glands

Question 5

most outer layer of the skin, made of epithelial cells, and has no blood vessels

Answer 5

epidermis

Question 6

waxy protein that helps waterproof skin

Answer 6

keratin

Question 7

layer under epidermis; made of connective tissues; has blood vessels, glands, hair follicles elastin collagen fibers

Answer 7

dermis

Question 8

connective tissue that binds skin to underlying muscles; where fat deposits/ insulates body

Answer 8

subcutaneous/ hypodermis (not a layer of the skin)

Question 9

homeostatic process that maintains a steady internal body temperature despite changes in external conditions

Answer 9

thermoregulation

Question 10

increasing the amount and speed of blood flow to and within the skin by widening the blood vessels , reducing body temperature

Answer 10

vasodilation

Question 11

Narrowing of blood vessels , where less heat will be lost this & maintains the core temperature of the body

Answer 11

vasoconstriction

Question 12

secretes substances into ducts/openings onto the body’s surface

Answer 12

exocrine glands (sebaceous/holocrine glands & sweat/ eccrine glands)

Question 13

inhibits water loss from skin; protects against bacteria/ fungal infections

Answer 13

sebum

Question 14

secrete salty solution of electrolytes & water w/ diff chemicals- glands located in forehead, neck, and back

Answer 14

sweat aka eccrine glands

Question 15

secrete an oily solution containing macromolecules; glands located in armpits, feet, groin, palms; produce body odor

Answer 15

apocrine/sweat glands

Question 16

urinary system consists of

Answer 16

kidneys, urinary ducts, bladder

Question 17

eliminates excess substances while preserving substances needed by the body to function

Answer 17

urinary system

Question 18

remove waste products from the blood and produce urine

Answer 18

kidneys (right and left)

Question 19

Layer of kidney (outer to inner)

Answer 19

renal cortex, renal medulla, renal pelvis

Question 20

tiny, individual filters

Answer 20

nephrons

Question 21

cluster of capillaries that serve as a filtering unit

Answer 21

glomerulus

Question 22

Where does kidney receive blood from?

Answer 22

Renal arteries

Question 23

responsible for the reabsorption and secretion of various solutes and water

Answer 23

PCT. Proximal Convoluted Tubulelocated in kidney

Question 24

transports urine from the renal pelvis into the bladder

Answer 24

ureter

Question 25

allows urine to pass outside the body

Answer 25

urethra

Question 26

which of these body parts do not produce melanin?

Answer 26

Nails (can be found there, but nor produced there)

Question 27

Pigment that provides color to skin, hair and eyes

Answer 27

melanin

Question 28

Which of the following components of the human integumentary system is the deepest?

Answer 28

Hypoderms *not a layer of the skin doeeee*