1.4: Living Communites

Question 1

consists of sheets of cells that cover all of the internal and external surfaces of the body and line all of the body’s cavities

Answer 1

Epithelial tissue

Question 2

Protection (covering, lining), filtration (biochemical substances), absorption (nutrients), sensation (sensory input), secretion, excretion

Answer 2

What are the 6 functions of epithelial tissue?

Question 3

prevent substances from leaking across the tissue

Answer 3

Tight junctions

Question 4

cement neighboring cells together

Answer 4

Desmosomes

Question 5

open channels between the cytoplasm of adjoining cells

Answer 5

Gap junctions

Question 6

irregular surfaces that are covered with many fingerlike projections in epithelial cells

Answer 6

Microvilli

Question 7

specialized surface projections, hair like projections that are common on epithelial cells in the respiratory and urogenital tracts

Answer 7

Cilia

Question 8

single layer of epithelial cells

Answer 8

Simple epithelium

Question 9

multiple layers of epithelial cells

Answer 9

Stratified epithelium

Question 10

majority of the glands present in most animals

Answer 10

multicellular exocrine glands

Question 11

glands that secrete their products directly into the blood and lymph vessels.

Answer 11

Endocrine glands

Question 12

function to bind and support the organism and its body systems

Answer 12

Connective tissues

Question 13

contains blood supply

Answer 13

Vascularized

Question 14

ground substance, extracellular fibers, cells

Answer 14

What 3 components are connective tissues made up of?

Question 15

can be liquid, gel, or solid, protects the cells found in the tissue, is the medium for which nutrients and waste are exchanged with the bloodstream, and can act as a barrier against invading microorganisms, made up of glycoproteins called glycosaminoglycans

Answer 15

Ground substance

Question 16

line the organs of the reproductive, urinary, and respiratory tract systems.

Answer 16

Mucous membranes

Question 17

Mucous, serous, cutaneous, synovial

Answer 17

What are the 4 most common types of membranes?

Question 18

line the organs within the thoracic, abdominal, and pelvic cavities

Answer 18

Serous membranes

Question 19

line the joint cavities and are composed only of loose connective and adipose tissue

Answer 19

Synovial membranes

Question 20

consists of specialized cells that can shorten to produce movement when stimulated

Answer 20

Muscle tissue

Question 21

Smooth muscle, skeletal muscle, cardiac muscle

Answer 21

What are the 3 types of muscle tissue?

Question 22

composes the walls of the digestive tract

Answer 22

Smooth muscle

Question 23

attaches to bones and is under voluntary control

Answer 23

Skeletal muscle

Question 24

unique to the heart and allows for the contraction and relaxation of heart tissue that provides for the flow of blood through an organism

Answer 24

Cardiac muscle

Question 25

contains specialized cells that have the ability to conduct electrical impulses

Answer 25

Nervous tissue

Question 26

widening of the blood vessels

Answer 26

Vasodilation

Question 27

composed of collagen fibers permeated with many capillaries.

Answer 27

Granulation tissue