Directional terms & Levels of Organization
Integumentary System
Skeletal System
Muscular System
Nervous System
Cardiovascular System
Digestive System
Respiratory System
Urinary System
Reproductive System
100
Posterior =
Anterior =
posterior = back
anterior = front
100
Lowest layer of the skin
basal layer (stratum basale)
100
The thigh bone
femur
100
Three types of muscle
cardiac, skeletal, smooth
100
The nervous system made of the brain and spinal cord
Central nervous system
100
The larger and thicker side of the heart
left (to pump blood to all body tissues)
100
Deglutition also known as
swallowing
100
The windpipe
trachea
100
Main function of the urinary system
(Any of the following are correct)
removes waste from the blood, regulates fluid levels, and regulates pH of blood
100
Scientific term for an egg cell
oocyte
200
-itis means
inflammation
200
Two functions of the skin
protection
sensations
temperature regulation
excretion
vitamin D production
200
Fracture that breaks through the skin
compound
200
The energy that powers muscle contraction
ATP
200
This type of signal moves along a neuron to generate a nerve impulse
electrical
200
The valve that blood uses to enter the heart
Vena cava (superior and inferior)
200
Flap of skin that prevents food from entering the airway
epiglottis
200
The smaller lung
left lung
200
Connects the kidneys to the bladder
ureters
200
free points!
300
Simple epithelial tissue =
Stratified epithelial tissue =
Simple epithelial tissue = one cell layer
Stratified epithelial tissue = multiple cell layers
300
The pigment that protects the body from UV radiation
melanin
300
Connects bone to bone
ligaments
300
The striped appearance on some muscle cells
striation
300
The molecules that cross the gap between the axon of one cell and the dendrite of another, continuing the nerve impulse
neurotransmitters
300
Name of the arteries that travel from the heart to the lungs
pulmonary arteries
300
Where nutrient absorption occurs
small intestine
300
Lymphatic tissue lining the throat to trap foreign particles
tonsils
300
Each kidney contains about 1.3 million of these
nephrons
300
The most fertile point in the uterine cycle occurring on day 14
ovulation
400
Toward the extremities
Distal
400
The epidermis location
the top layer of the skin
400
free points!
400
Degeneration of muscle tissue
atrophy
400
The cells that act as "glue" supporting neurons
neuroglia
400
Scientific term for white blood cells
leukocytes
400
The section of the digestive system that includes the mouth, esophagus, stomach, small intestine, and large intestine
alimentary canal or gastrointestinal tract
400
An increase of carbon dioxide in the body leads to this change in the blood
cause the pH of blood to drop (becomes acidic)
400
The right kidney is slightly lower to make space for the
liver
400
Two major hormones shared by both males and females
LH and FSH
500
List the levels of organization in the body from smallest (most specific) to largest (most broad)
cells > tissues > organs > organ system
500
The reason your face turns red when you exercise
Blood vessels expand to release extra heat
500
Fills the medullary cavity
bone marrow
500
The two filaments that slide along each other to contract the muscle
actin and myosin
500
The outer covering of a nerve cell that helps to transmit impulses
myelin
500
The protein found within RBCs that carries oxygen
hemoglobin
500
Releases hormones to help regulate blood sugar levels
pancreas
500
This part of the brain controls ventilation
medulla and/or pons
500
The scientific term for urinating
micturition
500
The amount of time it takes for an egg to travel from the uterine tube and implant in the uterus
8 days