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Unit F, D, B main points Science

the main points to review for science final!!
CVMS 7th grade

Terms

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alveoli
tiny air sacs that exchange oxygen and carbon dioxide
ball and socket
arms and legs
small intestine
absorbs usable nutrients which are sent to all body parts by blood vessels
large intestine
absorbs water into the blood stream and prepares undigested food for elimination
Pancreas
part of the digestive system: produces digestive enzymes to further break down fat, proteins and starches
arteries
blood vessels that carry blood away from the heart (usually oxygenated)
ventricle
each of the 2 lower chambers of the heart that pumps blood out to the lungs and body
Stamen
flower male reproductive part
Style
Part of pistil: narrow elongated part between ovary and stigma
Anther
part of the stamen: upper part where pollen is produced
hinge joint
elbow, knee
meiosis
when the number of cells is divided in 2 in the process of reproduction
incomplete dominance
a pattern of inheritance when the combination of a recessive allele and a dominant allele is expressed as a blend of the two traits
atrium
each of the 2 upper chambers of the heart that pumps blood that comes to the heart
pivot
neck
Filament
part of stamen: stalk-like part that supports the anther
mitosis
when the cell creates 2 "daughter cells"
Stigma
Part of pistil: upper tip- receives the pollen
fulcrum
the object's foundation
codominance
a pattern of inheritance when the two alleles are both expressed
chromatin
strands containing genetic material
ligament
connects bone to bone
Transfer RNA
carries amino acids and adds them to the growing protein at the ribosome
Messenger RNA
RNA that copies the code message from the DNA in the nucleus, and carries the message into the cytoplasm
Ovary
Part of pistil: bottom part that contains the seeds
Pistil
flower female reproductive part
aorta
biggest vein in the body
capillaries
blood vessels with walls so thin that oxygen, nutrients and waste can pass back and forth
gliding
wrist
Geological Time Scale
a record of the geological events and life forms in Earth's history
tendon
connects muscle to bone
evolution
the change in a species over time

Deck Info

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