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chptr 23

a & p..body structors, body cavities, cells, ect.....

QuestionAnswer
what is physiology? is the science of the functions of cells, tissue & organs of the body
The _______________ divides the anterior cavity into an upper Thoracic cavity diaphragm
what are the 3 central areas of the abdomen? epigastric, umbilical, hypogastric
what are centrioles? Provide spindle fibers for attaching chromosomes during cellular division
what is phagocytosis? cell eating
describe the ph scale: determines acidic and alkalinity. 7.0= neutral...below 7.0 = acidic....above 7.0 = alkaline
what is galactosemia? an inherited metabolic disorder involving galactose as is presented in milk/milk products
what are characteristics of Turners syndrome? short stature, webbing of neck, low hair line, a wide chest w/ broadly space nipples, pour breast development and underdevelopment of the genitalia
What is edema? swelling
what tissues provide specific secretions for the body? Epithelial tissue
what are the types of connective tissue? connective, supportive, fluid
where is cartilage found? between the bones and at the end of bones: ears, nose, voice box
what is homeostasis? good health
what is a cleft palate? structural defect of roof of mouth
what is spinal bifida? malformation of spine
what is a system? organs of body that join together for a particular function
what is an organ? two or more tissues working together to perform a specific function
what is a striated muscle? skeletal muscle tissue (voluntary)
what is a smooth muscle? is found within the walls of all the organs except the heart. (involuntary)
muscular tissue contracts on what? stimulation
nerve tissue is made up of? neurons
a neuron that picks up and sends stimuli towards spinal cord and brain sensory neuron
a neuron that carries impulses from one neuron to the other neuron inter-neuron
a neuron that receives impulses and sends message which causes a reaction motor neuron
what type of tissue is a supporting structure of the body? connective tissue
what is the purpose of soft tissue? stores fat, insulates, acts as padding and is the subcutaneous layer of the skin
Dense connective tissue is where? tendons, ligaments, and organ capsules.
what 2 tissues supports and protects organs? soft and dense
what is hard tissue made of? cartilage
Genetic and Congenital Disorders can result from? improper sex cell division at the time of fertilization
Cells of the same type joined together for a common purpose tissue
what percentage of tissue is made up of water? 60 to 99%
epithelial the surface of the body
endocrine secrets directly into blood stream
exocrine secretes through ducts (sweat)
what are the 3 traits dominant gene, recessive gene, x-linked
DNA is a ______ code
from a copy error mutation
mutation factors internal and external
name the 2 cellular divisions mitosis and meiosis
mitosis occurs when a cell divides into two identical cells (reproducing)
meiosis is a process by which the ovum & spermation reduces their respective 46 chromosomes to 23
two or more elements combined? compounds
4 classification of compounds acid, base or alkali, salt/water, p.h.
biochemistry elements have how many natural forms? how may are man made? how many are need to sustain life, and name the most common? And 4 of them are called? 92. 13. 20. carbon, oxygen, hydrogen & nitrogen. Trace elements
biochemistry elements is sub stained in the __________ form simplest
The cell is the basic building block of? life
the cell takes in? food and oxygen
the cell produces? heat and energy
the cell gives off? waste products
the cell _________ itself. reproduces
the cell does ________ specific _______ perform, duties
the body contains how many cells? 75 trillion
cells vary in ____,___,_____ shape, size & activity
name the cell parts. cytoplasm, cell membrane, organelles, chromosomes, nucleus, centroles, endopalsmatic reticulum, mitochondira, gogli apperates, lysosomes, pinocytic vesicles
the median or sagittal plane? a line dividing the body vertically down the front. it divides into right and left halves.
medial anything towards the midline
lateral anything away from the midline
proximal nearest point to of attachment
distal distance away from point of attachment
frontal or cornal plane line that divides the body into front and back secetions
anterior/ventral refers to..... anything located in front section
posterior/dorsal refers to.... anything located in the back section
transverse plane horizontal line that divides body into top and bottom
superior above the line
inferior below the line
the dorsal and posterior cavity is divided into 2 sections. What are they? cranial cavity(contain brain) spinal cavity(contains spine)
thoracic cavity is the chest
thoracic contains? heart, lungs and great blood vessels
what protects the thoracic cavity? the ribs
the abdominopelvic cavity has 3 parts. What are they? upper abdominal, lower pelvic portion and retroperitoneal cavity
contains the kidney? retroperitoneal cavity
contains the bladder, part of the large intestine and internal organs? lower pelvic pertion
contains the stomach, small intestine, most of the large intestine, liver, spleen, pancreas and gallbladder abdominopelvic cavity
contains eyes? orbital cavity
contains structure of nose nasal cavity
contains the mouth buccal cavity
the abdominal is divided into regions for the purpose of what? identification
what are the 9 regions epigastric, umbilical, hypogastric, left/right hypochondriac, left/right lumbar and left/right iliac/inginal.
regions on l/r of groin? iliac/inginal
regions on l/r below ribs hypochondriac
regions on l/r bones of spinal cord lumbar
region of lower center(pubic) hypogastric
middle center region by umbilical umbilical
upper center region-above stomach epigastric
sticky semi-fluid that contains water, protein, lipids, carbohydrates, minerals and slats? cytoplasm
outer protective covering of cell and controls whatever enters/leaves the cell? cell membrane
mass within a cytoplasm and controls the center of the cell. It also regulates chemical reaction and mitosis nucleus
it is located within the nucleus chromosomes
humans have how many pairs of chromosomes? 23 pairs (46)
22 pairs of chromosomes are what? autosomes
the one remaining chromosome pair is? a sex chromosome
chromosome xx = female
chromosome xy = male
chromosome contains? deoxyribonucleic acid (DNA)
how many genes are in chromosomes 35,000 to 45,000 genes
located in the nucleus? where RNA @ scrambled with proteins to make ribosomes nucleolus
two cylinder shaped organelles-they separate and form specific fibers which attached to the chromosome during mitosis centrioles
serves as a passage way for transportation of materials in and out of nucleus endoplasmatic reticulum
supply the cell with energy mitochondira
stack of membranes = layer. synthesize carbohydrates and combines them with proteins gogli apporates
serve as center of cellular digestion lysosomes
pocket like formation, used to transport large particles into a cell pinocytic vesicles
the process whereby gas, liquid or solid molecules distributes themselves through a medium? diffusion
process of diffusion of water or solvent through a selected permeable membrane osmosis
osmatic characteristics of solutions are classified by their effect on? RBC
same concentration of salt found in RBC isotonic
lower concentration of salt than RBC hypotonic
higher concentration of salt than RBC hypertonic
movement of solutions and water across a semiperable membrane as a result of force filtration
is movement across on area of low concentration to an area higher concentration active transport
cell eating phagocytosis
Created by: bpstears