level of organisation + micrscopes

Question 1

tissues defenition

Answer 1

group of similar cells working together to perform a function

Question 2

differentiation of a cell

Answer 2

developement of a cell into a specific type

Question 3

epithelial tissue structure

Answer 3

forms a continuos layer
no blood vessels

Question 4

on what does an epithelial tissue sit on
and what is this made of

Answer 4

sit on a basement membrane made of collagen and protein

Question 5

where can you find cubiodal epithelium tissues

Answer 5

kidney tubulues
small intestine

Question 6

what does ciliated epithelium do

Answer 6

cells which transport substances like mucus in bronchi
cilia move and sweep substances along

Question 7

what shape is ciliated epithelium

Answer 7

columnar

Question 8

what does squamous epithelium consist of

Answer 8

flattened cells on a basment membrane

Question 9

what does squamous epithelium form

Answer 9

form the walls of the alveoli and line bowmans capsule

Question 10

simple epithelium tissue

Answer 10

one

Question 11

stratified epithelium tissue

Answer 11

stratified - a lot - a whole structure

Question 12

3 different types of epithilium cells

Answer 12

cuboidial
ciliated
squamous

Question 13

3 different types of muscle tissue

Answer 13

skeltal
smooth
cardiac

Question 14

what does the skeletal muscle do

Answer 14

attatched to bones and moves the skeleton
has bands of long cells called fibres
can be control - tire easily

Question 15

what do the fibres in skeltal muscle form

Answer 15

a striped pattern - striped muscle

Question 16

what type of muscle is a smooth muslce

Answer 16

unstriped, involuntary

Question 17

4 types of connective tissues

Answer 17

areolar tissue
tendons
ligaments
adipose tissue

Question 18

what are connective tissues

Answer 18

connect, support or seperate tissues and organs

Question 19

what do connective tissues include

Answer 19

elastic and collagen fibres in an extracellular fluid or matrix

Question 20

areolar tissue can be found where and what does it do

Answer 20

around organs
connects organs and tissues together

Question 21

what does collagen do

Answer 21

forms tendons which connect muscles to bones

Question 22

what are elastic tissues

Answer 22

ligaments which connet bones

Question 23

what is adipose tissues made of

Answer 23

fatty cells

Question 24

where can you find adipose tissues

Answer 24

found just under the skin and around organs

Question 25

function of adipose tissues

Answer 25

energy store, thermal insulator and protects delicate organs

Question 26

what are organs

Answer 26

several tissues working together performing a specific function

Question 27

what is an organ system

Answer 27

group of organs working together with a particular role

Question 28

best resolution microscrope

Answer 28

electron microscopes

Question 29

why are electron microscopes better?

Answer 29

electrons have much shorter wavelength than visible light so they distinguish objects that are smaller and closer together

Question 30

microscope x 4
1 epu = ? um

Answer 30

1 epu = 25 um

Question 31

microscope x 10
1 epu = ? um

Answer 31

10um

Question 32

microscope x 40
1 epu = ? um

Answer 32

2.5um