Unit 7A

Question 0

Nervous tissue

Answer 0

Sends electrical signals throughout your body;located in brain,nerves, and sense organs

Question 1

Epithelial tissue

Answer 1

Covers and protects underlying tissue; u see it when u look at your skin

Question 2

Muscle tissue

Answer 2

Made of cells that contract and relax to produce movement

Question 3

Connective tissue

Answer 3

Joins, supports,protects,insulates, nourishes, and cushions organs; keeps organs from falling apart

Question 4

Organ systems don’t

Answer 4

Work independently

Question 5

Integumentary system includes….

Answer 5

Skin, nails, hair

Question 6

Epidermis

Answer 6

Thinner layer of the two. It’s what u look at when u see your skin

Question 7

Dermis

Answer 7

Deeper,thicker layer of skin

Question 8

Blood vessels

Answer 8

Transport substances and help regulate body temp

Question 9

Nerves

Answer 9

Carry messages to and from the brain

Question 10

Muscle fibers

Answer 10

Attached to a hair follicle can contract, causingcausing the hair to stand up

Question 11

Hair follicles

Answer 11

In the dermis produce hair

Question 12

Oil glands

Answer 12

Release oil that keeps hair flexible and helps waterproof the epidermis

Question 13

Sweat glands

Answer 13

Release sweat

Question 14

Your skin has nerve endings which allow you to feel:

Answer 14

Pressure, pain, heat, cold

Question 15

How many species of bacteria does the skin have

Answer 15

182 species

Question 16

cancer

Answer 16

Uncontrolled cell division causing tumor that invades other tissue

Question 17

Keratin

Answer 17

Fibrous structural protein of hair, nails, horn, hooves, wool, feathers, and the epithelial cells in the outermost layers of the skin