cells and tissues

Question 1

what are the 4 points of cell theory?

Answer 1

1. basic structural unit of plants and animals
2. smallest unit of life
3. produced only by division of preexisting cells
4. each maintains homeostasis

Question 2

covering, lining, storage movement, connection, defense, communication, reproduction are all examples of what?

Answer 2

cell functions

Question 3

what are the 3 parts of a cell?

Answer 3

1. plasma membrane
2. cytoplasm
3. nucleus

Question 4

what are the 3 main functions of the cell membrane?

Answer 4

barrier
gate keepers location
communcation

Question 5

what are the 2 gatekeepers in the cell membrane?

Answer 5

ion channels
carriers

Question 6

with what is the majority of the cell membranes communication?

Answer 6

the immune system

Question 7

what kind of membrane is the plasma membrane?

Answer 7

a lipid bilayer

Question 8

what is highly permeable in a lipid bilayer?

Answer 8

O2, CO2, steroids

Question 9

what is moderately permeable in a lipid bilayer?

Answer 9

water and urea

Question 10

what is impermeable in a lipid bilayer?

Answer 10

glucose

Question 11

how can macromolecules pass through the plasma membrane?

Answer 11

vesicular transport

Question 12

what are the two methods of vesicular transport?

Answer 12

endocytosis and exocytosis

Question 13

what 2 gradient types occur across the plasma membrane?

Answer 13

concentration and electrical

Question 14

what are the 3 passice processes?

Answer 14

simple diffusion
facilitated diffusion
osmosis

Question 15

what is unique about passive processes?

Answer 15

moves DOWN concentration gradient
requires no energy input from cell

Question 16

what uses facilitated diffusion?

Answer 16

ion channels

Question 17

what are the 2 active processes?

Answer 17

active transport and vesicular transport

Question 18

for sodium-potassium pump, which one goes in/out

Answer 18

sodium out, potassium in

Question 19

what is unique about active processes?

Answer 19

they do require cellular energy to move AGAINST the gradient

Question 20

what are the 4 types of tissue?

Answer 20

epithelial
connective
muscular
nervous

Question 21

which tissue covers body surfaces, organs and ducts?

Answer 21

epithelial

Question 22

which tissue forms glands

Answer 22

epithelial

Question 23

which tissue is avascular

Answer 23

epithelial

Question 24

what does avascular mean

Answer 24

no blood

Question 25

which tissue connects and supports the body

Answer 25

connective

Question 26

which tissue is immediately adjacent to the epithelial tissue

Answer 26

connective

Question 27

which tissue shares its blood supply

Answer 27

connective (with epithelial)

Question 28

which tissue has cells specialized for contractions

Answer 28

muscular

Question 29

which tissue generates heat

Answer 29

muscular

Question 30

which tissue detects stimulus and sends signals for movement

Answer 30

nervous

Question 31

which tissue is the most abundant

Answer 31

connective

Question 32

which tissue protects and insulates internal organs

Answer 32

connective

Question 33

which tissue stores fat

Answer 33

connevtive

Question 34

which tissue is the main source of immune responses

Answer 34

connective

Question 35

which tissue serves as the body's main transport system

Answer 35

connective

Question 36

what are the 2 classifications of conntiss

Answer 36

embryonic and mature

Question 37

what are the 5 types of mature conntiss

Answer 37

loose dense cartilage bone liquid

Question 38

what are the 3 things made of dense conntiss?

Answer 38

tendons, ligaments, aponeuroses

Question 39

what are the 3 type soft cartilage?

Answer 39

yaline fivrocartilage elastic

Question 40

what are the 2 types of bone tiss

Answer 40

cortical and trabecular

Question 41

what are 2 types of liquid conntiss

Answer 41

blood and lymph

Question 42

how are the fibres in tendons oriented?

Answer 42

parallel along the tendon

Question 43

how are the fibres in ligaments oriented?

Answer 43

criss cross in a rope like pattern

Question 44

how are the fibres in aponeuroses

Answer 44

forms a sheetlike shape

Question 45

what do tendons connect

Answer 45

muscle to bone

Question 46

what do ligaments connect

Answer 46

bone to bone

Question 47

what do aponeuroses connect

Answer 47

muscle to muscle or muscle to bone

Question 48

what are 2 tendon ex

Answer 48

Achilles, quadriceps

Question 49

what is an ex of a ligament

Answer 49

ACL

Question 50

what is special about cartilage?

Answer 50

it can endure significantly more stress, however it heals very poorly

Question 51

what is the most abundant cartilage type?

Answer 51

hyaline

Question 52

what does hyaline cartilage do?

Answer 52

provides smooth surfaces at joints

Question 53

what is the weakest cartilage type?

Answer 53

hyaline

Question 54

what is the strongest cartilage type?

Answer 54

fibrocartilage

Question 55

what is made up of elastic cartilage?

Answer 55

epiglottis, ear, eustachian tube