Lab 3

Question 1

Layers of frog skin, surface to deepest

Answer 1

Simple (cornified) squamous, stratified squamous, simple cuboidal, simple columnar

Question 2

epithelium

Answer 2

refers to layers of cells that line hollow organs and glands. It is also those cells that make up the outer surface of the body.

Question 3

Top layer of skin

Answer 3

epidermis

Question 4

Lowest layer of the epidermis

Answer 4

Stratum basale, germinal layer made up of simple columnar cells

Question 5

Free surface layer of skin

Answer 5

Cornified layer, stratum corneum

Question 6

Secrete chemicals

Answer 6

Epithelial glands

Question 7

division between epidermis and dermis

Answer 7

basal lamina, basement membrane

Question 8

Tubules that make up kidneys are made of

Answer 8

simple cuboidal epithelium

Question 9

Found lining hollow organs, involuntary movement

Answer 9

Smooth muscle, thin filaments non-striated, single elongated central nucleus

Question 10

Produces voluntary movement

Answer 10

Skeletal muscle, striated, multinucleate peripheral nuclei

Question 11

Bands in skeletal muscle

Answer 11

I bands (dark) A bands (light)

Question 12

Cell membrane around muscle fibers

Answer 12

Sarcolemma

Question 13

Cardiac muscle

Answer 13

Possesses intercalcated discs, 1 or 2 central nuclei