Chapter 40 Flashcards
___________________ is the study of the structure of living organisms and how all of an organisms body parts relate to each other
anatomy
___________________ is the study of the function of living organisms and the mechanisms by which all of the body parts work.
physiology
_________________ reflects _________________
function, structure
what a body part can do depends on its form
physical laws impose ________________________antomy in its particular enviroment
constraints on an animals
Physiology is affected by _____________
physical laws
_________________ of unrelated animals represents adaptation by way of natural selection to these enviromental constraints
convergent evolution
animal anatomy and physiology are organized into a _________________________
structural and functional hierarchy
what is the animal structural and functional hierarchy
- organism
- organ system
- organs
- tissue
- cells
all animal cells form _____________________ within its body
4 tissue types
4 tissue types
- epithelial
- connective
- muscle
- nervous
_________________ covers the body’s outer surface and lines its internal cavities
epithelial
____________________ binds and supports the body’s organs
connective tissue
_______________________ enables movement
muscle tissue
____________ enables communication among the bodys organs
nervous tissue
general location of epidermis
covers the body surface and lines the bodys internal cavities
two general functions of epithelial tissue
- protection
- passage of substances
in epithelial tissue their are rows of cells
held tightly together with little extracellular matrix
_____________ distinct cell surfaces
polarity
________________ upper surface is exposed to external enviroment or to internal cavity
apical surface
_______________________ lower surface attaches to basment membrane
basal surface
______________ surfaces to join to neighboring cells
lateral side surfaces
epithelial tissue is allows attached to underlaying ________________
connective tissue
______________________ is the boundary between the epithelial and connective tissue
basement membrane
epithelial tissue is ______________ meaning no blood vessels.
avascular
epithelial tissue receives its nutrients from ________________________
underlaying connective tissue
because of the location of epidermal cells, much _________________ occurs to ______________
cell division, replace lost cells
epithelial tissue is classified by 2 things
- shape of cell
- layering of cells
___________________ in epithelial tissue has just one layer of cells
simple epithelial
_____________________ epithelium has multiple cell layer
stratified epithelial tissue
_________ are flattened epithelial cell
squamos cells
________________ are cub shaped cells
cuboidal cells
________________ are tall and ellongated
collumnar cells
_____________________ and ________________ are location of simple squamos epithelium
air sacs (alveoli) of lungs -blood vessel linning
____________________________ lining the inside of the blood vessels
endothelium
____________________ internal space of a hollow organ
lumen
___________________________ a single layer of box shaped cells used for secretion and absorbtion
simple cuboidal epithelium
___________________ is a location of simple cubiodal epithelium
kidney tubules
_______________________ a single layer of tall elongated cells. may contain cilia on the apical surface. The function is absorbtion and secretion of mucus
simple collumnar epithelium
_____________________________________ are location of simple columnar epithelium
digestive tract
uterine tubes
________________ a single layer of columnar cells of different heights. All tough the basement membrane but only the tallest reach the apical surface. often possess cillia. may function in preotection and secretion of mucus
psedostratified columnar epithelium
______________________ are location of pseudostratidies columnar epithelium
larynx, trachea, and bronchi
__________________ multiple layers of cells. Apical cells. maycontain durable protein, keratin. protects against abrasion
stratified squamos epithelium
______________________ are location of stratified squamos epithelum
digestive tract and epidermis of skin
stratified squamos epithelum contains ______________ a waterproofing protein
keratin
_________________________ is located everywhere in the body and is the most abundant tissue type
general location
the general function of connective tissue are ________________________
connect body structure and protection, storage, and transport
3 types of connective tissue
- connective tissue proper
- supporting connective tissue
- fluid connective tissue
2 type of connective tissue proper
- loose connective tissue
- dense connective tissue
3 supporting connective tissues
- adipose tissue
- cartilage
- bone
1 fluid connective tissue
-blood
2 components of connective tissue
cells and extracellular matrix
________________ are widely seperated and produce extra cellular matrix
cells of connective tissue
___________________ the majority of the connective tissue. Responsible for the binding properties of the tissue. nonliving. made of fibers and ground substance
extracellular matrix
______________________ are name for which they belong
connective tissue cells
____________________ belong to connective tissue proper
fibroblasts
______________________ belong to adipose tissue
adiposecytes
______________ belong to cartilage
chondrocytes
_________________ belong to bone
osteocytes
___________________ are blood cells
erythrucytes and leukocytes
____________________ made of collagen. The largest ,most abundant fibers. Flexable but strong and resistant
collagen fibers
____________________ made of protein collagen. small branching fibers. flexibility and elasticity intermediate between collagen and elastic fibers
reticulate fibers
___________________ fills the space between connective tissue cells and fibers. contains water and dissolved solutes. GLues tissues together
ground substance
ground substance is a _________________________________
viscous interstitial fluid
_________________ a type of connective tissue with fewer fibers and more ground substance
loose connective tissue
_________________ a type of connective tissue with fewer fibers and more ground substance
loose connective tissue
_____________________ a type of connective tissue with
more fibers, less ground substance
fibrous connective tissue
____________________ is the loose arrangement of fibroblasts and fibers with much ground substance
loose connective tissue
functions of loose connective tissue
- binding and support
- typical connective tissue
connective tissue cells
fibroblasts
type of fibers in connective
- collagen
- elastic
- reticulate
locations of loose connective tissue
- everywhere in the body
- often the connective tissue that underlies epithelial tissue
- surrounds nerves and blood vessels
__________________ collagen fibers only. Densely paccked fibers run parallel to each other. The function in resisting stres.
fibrous connective tissue
locations of fibrous connective tissue
- ligaments
- tendons
- dermis
two types of connective tissue proper
- loose connective proper
- dense connective proper
_____________________ A CLOSELY PACKED CONNECTIVE TISSUE. little extracellular matrix.
adipose tissue
_________________ are cells in adipose tissue. composed primarily of a fat droplet.
adipocytes
3 functions of adipose tissue
- storage
- insulation
- cushioning of organs
2 locations of adipose tissue
- under skin
- surrround organs: eyes, heart, kidneys
________________________ the extracellular matric consist of collagen and elastic fibers plus a firm semisolid ground substance
supporting connective tissue- cartilage
the cartilage cells: ___________ in ______________
condrocytes, lacunae
____________ is the only avascular connective tissue
avascular
function of cartilage
support with flexibility
locations of cartilage
- ends of bones
- knees
- vertaebral discs
- between ribs and sternum
- respiratory system
- ears
- nose
- entire skeleton of cartilagenous fish, lampreyy, hagfishes
_________________ is made of collagen fibers only. calcium salts within the matrix make it hard.
bone
(bone cells) _____________ reside in _______________
osteocytes in lacunae
bone is arranged ________________
cylindrical as osteons.
bone is ________
vascular
blood vessel run through each osteons _____________________
central canal
3 functions of bone
- support
- protection
- blood cell production
_____________ fluid connective tissue
blood
3 cells of blood
- erthyrocytes
- leukocytes
- platelets (cell fragments)
the bloods matrix is _______________
all ground dubstance no fibers
names for bloods ground substance
plasma
general location of muscle tissue
muscles and hollow organs
_________________ tissue used for movement. It is highly cellular and vascular
muscle tissue
________________ is a type of muscle tissue in which the cells are long and mutinucleate that contain straitions
skeletal muscles
skeltal muscle is ________________
volluntary and striated
functions of skeletal muscles
- movement and resist movement
- manipulation of enviroment
location of skeletal muscle tissue
attached to bones
________________ is a single muscle cell
muscle fiber
_______________ is a type of muscle tissue that is shorter, branched, uninucleate with visable striation. involntary.
cardiac muscle
adjacent cardia muslce cells connect to each other at ____________________
intercalated discs
function and location of cardiac muscles
pumps the heat to propel blood. located in heart walls
______________ short tapered, uninucleate cells that lack striation. involuntary
smooth muscle
function of smooth muscle
to propel substance through an organ’s internal passageways. through the lumens.
location of smooth muscle
hollow organ walls
location of nervous tissue
brain, spinal cord, nerves
___________________e enables communication amond bodys organs by trasmitting electrical impulses. recieves sensory imput. controls motor output.
nervous tissue
________________ large less numeros cells
neurons
part of neuron: a central ______________ houses nucleus
cell body
part of neuron: multiple short ____________________ receive incoming impulses
dendrites
part of neuron: ____________________________ sends out ongoing impulses
axon
_________________ smaller more numerous cells that provide support for neurons
glial
__________ consist of two or more types of tissue. usually all 4 types of tissue
organs
organs form _____________________ within the animals body
11 organ systems
What organ system is composed of: -mouth -esophagus -liver -stomach small and large intestine -anus and rectum
digestive system
What organ system is composed of:
- heart
- blood vessels
circulatory system
What organ system is composed of: -nasal cavity pharynx -trchae -lung -bronchea
respiratory system
What organ system is composed of:
- red bone marrow
- thymus
- luympatic vessels
- lymph nodes
immune system/ lypatic system
What organ system is composed of:
- kidneny
- uretrers
- blatter
excretory system
What organ system is composed of:
- thyroid gland
- thymus
- pancrus
- ovary
- testis
- glands
endocrine glands
What organ system is composed of: -penis -testis prostate scrotum -mamary gladns -ovary -uterine tube -uterus -vagina
reproductive system
What organ system is composed of:
- brain
- nerves
- spinal cord
nervous system
What organ system is composed of:
- hair
- skin
- nails
integumentary system
What organ system is composed of:
- bones
- joints
skeletal system
What organ system is composed of:
skeltal muscles
muscular system
gonads are
testis-male
ovary- female
all organ systems work together to maintain ________________ within an individual animal
homeostasis
__________________ is an organisms ability to maintain relatively constant internal conditions despite potentially lage changes in the external enviroment
homeostasis
homeostasis most often depends on a
negative feedback mechanism
negative feedback consits of 4 points
- set point
- stimulus
- control center
- responce
_______________ skin
integumentary system
the skin consists of
- epidermis
- dermis
_______________ technically not part of skin in beneath dermis
hypodermis
_______________ dead keratinized cells protect against abraision, UV radiatin, pathogens, chemical, and water loss
epidermis
epidermis is made of _______________
stratified squamos epithelium
___________________ consits of hair follicles, oil, and sweat glands, muscles, sensory receptors, and nerves, and blood vessels
dermis
dermis is made of
fibrous connective tissue
oil glands __________
lubricate skin
sensory receptors and nerves detect enviromental stimuli
and send information to brain
blood vessel manufacture _________________ in response to sunlight
vitamin D
the hypodermis anchors skin to the underlaying _______________ made of _____________
muscles
adipose tissue
________________ function in sensory reception and protection against sunlight perspiration, foreign objects
hair functions
also in insulation of many mammals
________________ facilitate fine manipulate
nails
(claws and hooves serve as protection when jumping, grasping, ect
integumentary system functions in _____________________________
thermo regulation- homeostasis
sweat glands are responsible for ___________________
evaporative cooling
blood vessels _________________ to eliminate heat and _______________ to conserve heat
dialate
constrict
________________ involuntarily contract producing heat and causing hairs to stand upright
muscles