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BIOL 251- EXAM 1 Questions and Answers with Complete
Solutions UPDATED 2026!!!
tissues get together to make - ANSWER organs
classify H20 - ANSWER molecules
classify kidney - ANSWER organ
system that transports oxygen - ANSWER cardiovascular
system that ovaries belong in - ANSWER reproductive &
immune
first part that notices something wrong - ANSWER receptor
messages away - ANSWER efferent pathway
solves problem - ANSWER effector
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most common in healthy person - ANSWER negative feedback
spinal cord___stomach - ANSWER inferior
teeth___tongue - ANSWER anterior
ear___nose - ANSWER lateral
buccal___nasal & otic - ANSWER intermediate
patellar___tarsal - ANSWER proximal
muscles___skin - ANSWER deep
brachial___carpal - ANSWER proximal
thoraic___cephalic - ANSWER inferior
frontal includes - ANSWER lungs, heart, shoulder
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in midsagittal view you can see___of body - ANSWER spinal
cord
Three of the following belong together, one is the odd one out?
Which one?
Spleen
Thymus
Adrenal gland
Tonsils - ANSWER Adrenal gland
The process in which cells and organisms are able to maintain a
stable balance of internal and external substances and forces is
called___. - ANSWER Homeostasis
Most of the body's mechanisms operate by negative feedback,
although a few function through positive feedback. Choose the
example from the list below that operates by POSITIVE
FEEDBACK. - ANSWER One activated platelet, activates further
platelets causing a cascade of activated platelets
BIOL 251- EXAM 1 Questions and Answers with Complete
Solutions UPDATED 2026!!!
tissues get together to make - ANSWER organs
classify H20 - ANSWER molecules
classify kidney - ANSWER organ
system that transports oxygen - ANSWER cardiovascular
system that ovaries belong in - ANSWER reproductive &
immune
first part that notices something wrong - ANSWER receptor
messages away - ANSWER efferent pathway
solves problem - ANSWER effector
,2|Page
most common in healthy person - ANSWER negative feedback
spinal cord___stomach - ANSWER inferior
teeth___tongue - ANSWER anterior
ear___nose - ANSWER lateral
buccal___nasal & otic - ANSWER intermediate
patellar___tarsal - ANSWER proximal
muscles___skin - ANSWER deep
brachial___carpal - ANSWER proximal
thoraic___cephalic - ANSWER inferior
frontal includes - ANSWER lungs, heart, shoulder
, 3|Page
in midsagittal view you can see___of body - ANSWER spinal
cord
Three of the following belong together, one is the odd one out?
Which one?
Spleen
Thymus
Adrenal gland
Tonsils - ANSWER Adrenal gland
The process in which cells and organisms are able to maintain a
stable balance of internal and external substances and forces is
called___. - ANSWER Homeostasis
Most of the body's mechanisms operate by negative feedback,
although a few function through positive feedback. Choose the
example from the list below that operates by POSITIVE
FEEDBACK. - ANSWER One activated platelet, activates further
platelets causing a cascade of activated platelets
