TISSUES

Question 1

ADIPOSE TISSUE

Answer 1

areolar connective tissue modified to store nutrients: a chief of fatty cells

Question 2

ANAPHASE

Answer 2

3rd stage of mitosis: daughter chromosomes move toward pole of cell

Question 3

ARRECTOR PILI

Answer 3

tiny, smooth muscles attached to hair follicles; makes hair stand upright

Question 4

ATP (adenosine triphosphate)

Answer 4

organic molecule that stores and releases chemical energy for use in body cells

Question 5

CENTRIOLE

Answer 5

minute body found near the nucleus of the cell: active in cell division

Question 6

CELLS

Answer 6

basic structural and functional unit of living organisms

Question 7

CHROMOSOME

Answer 7

barlike bodies of tightly coiled chromatin; visible during cell division

Question 8

CILIA

Answer 8

tiny, hairlike projections on cell surfaces that move in a wavelike manner

Question 9

COLLAGEN FIBERS

Answer 9

most abundant of 3 fibers found in matrix of connective tissue

Question 10

CONNECTIVE TISSUE

Answer 10

primary tissue: form, function extensively; functions: support, storage, and protection

Question 11

CYTOKINESIS

Answer 11

division of cytoplasm; occurs after cell nucleus has divided

Question 12

CYTOSOL

Answer 12

viscous, semitransparent fluid of cytoplasm, other elements are suspended

Question 13

DERMIS

Answer 13

layers of skin deep in epidermis; irregular connective tissue

Question 14

DIFFUSION

Answer 14

spreading of particles; kinetic energy

Question 15

DNA

Answer 15

nucleic acid found in all living cells; hereditary info.

Question 16

DNA REPLICATION

Answer 16

process that occurs before cell division; all daughter cells are identical

Question 17

ECCRINE GLANDS

Answer 17

sweat glands on the palms, soles of feet, and forehead

Question 18

ELASTIC FIBERS

Answer 18

fiber formed from protein elastin, gives a rubbery resilient quality to connective tissue

Question 19

ENDOCRINE GLANDS

Answer 19

ductless glands that empty hormonal products into blood

Question 20

ENDOPLASMIC RETICULUM (ER)

Answer 20

membranous network of tubular or saclike channels in the cytoplasm cell

Question 21

ENDOTHELIUM

Answer 21

single layer of squamous cells; lines the walls of the heart, blood vessels, lympathic vessels

Question 22

EPIDERMIS

Answer 22

superficial layer of skin; composed of keratinized stratified squamous epithelium

Question 23

EXOCRINE GLANDS

Answer 23

glands that have ducts; secretions are carried to a particular site

Question 24

EXOCYTOSIS

Answer 24

substances are moved from cell interior to extracellular space

Question 25

HAIR FOLLICLES

Answer 25

outer and inner root sheaths extends from epidermal surface into dermis; new hair develops

Question 26

HYPERTONIC SOLUTIONS

Answer 26

high concentration; greater osmotic pressure than reference solution (blood plasma)

Question 27

HYPODERMIS

Answer 27

subcutaneous tissue just deep to the skin; has adipose tissue and connective tissue

Question 28

HYPOTONIC SOLUTIONS

Answer 28

solution that is more dilute than reference cell ( fewer nonpenetrating solutes)

Question 29

KERATIN

Answer 29

protein found in epidermis, hair, and nails, makes it hard and water resistant

Question 30

LYSOSOMES

Answer 30

organelles in golgi apparatus, contain strong digestive enzymes

Question 31

MAMMARY GLANDS

Answer 31

milk-producing glands of the breast

Question 32

MEIOSES

Answer 32

nuclear division process, reduces chromosomal # by half forms 4 haploid cells, certain reproductive organs

Question 33

METAPHASE

Answer 33

2nd stage of mitosis

Question 34

MICROTUBULES

Answer 34

hollow tubes made of spherical protein determines cell shape also cellular organelles

Question 35

MICROVILLI

Answer 35

tiny projections on some epithelial cells; increase area of absorption

Question 36

MITOCHONDRIA

Answer 36

cytoplasmic organelles responsible for ATP; cellular activities

Question 37

MITOSIS

Answer 37

chromosomes are redistributed to 2 daughter nuclei

Question 38

MUCOUSE MEMBRANE

Answer 38

forms the linings of body cavities open to the exterior ( digestive, respiratory, urinary, and reproductive tracts)

Question 39

NUCLEOLI

Answer 39

dense spherical bodies in cell nucleus involved with RNA

Question 40

ORGANS

Answer 40

part of the body formed of 2 or more tissues, carries out specific functions; stomach

Question 41

OSMOSIS

Answer 41

diffusion of a solvent through a membrane from a dilute solution to a more concentrated one

Question 42

PHAGOCYTOSIS

Answer 42

engulfing of foreign solids by (phagocytic) cells

Question 43

PROPHASE

Answer 43

1st stage of mitosis

Question 44

RIBOSOMES

Answer 44

cytoplasmic organelles; proteins are synthesized

Question 45

RNA

Answer 45

nucleic acid contains ribose and bases A,G,C,U; DNA's instructions for protein synthesis

Question 46

SEBACEOUS GLANDS

Answer 46

epidermal glands produce oily secretion called sebum

Question 47

SEROUS MEMBRANE (SEROSA)

Answer 47

moist membrane found in closed ventral body cavities

Question 48

SUDORIFEROUS GLANDS

Answer 48

epidermal gland that produces sweat

Question 49

TELOPHASE

Answer 49

final stage of mitosis; begins with migration of chromosomes, completes and ends with 2 daughter nuclei

Question 50

TISSUES

Answer 50

similar cells and intercellular substance, performs specific functions