Bio 100 exam 4 AHC UPDATED
ACTUAL Exam Questions and
CORRECT Answers
Save
Terms in this set (50)
List the Cells, tissues, organs, organ
organized systems, organism.
hierarchy of
most animal
bodies (begin
with cells)
Homeostasis is the ability of an
Explain the
organism to maintain a stable
concept of
internal environment despite
homeostasis.
external changes.
, A negative feedback loop is a
What is a
mechanism that reduces or stops a
negative
process to maintain homeostasis.
feedback loop?
An example is the regulation of
Give an
body temperature: if the body gets
example in the
too hot, mechanisms like sweating
human body.
are activated to cool it down.
Describe the Endothermic animals generate
thermoregulati their own heat internally, while
on of ectothermic animals rely on
endothermic external sources for heat.
and
ectothermic
animals.
How are Homeotherms maintain a constant
homeotherms internal body temperature, while
different than heterotherms can have variable
heterotherms? body temperatures.
What is the The function of the digestive
function of the system is to break down food,
digestive absorb nutrients, and eliminate
system? waste
, List the pathway Mouth, esophagus, stomach, small
of food as it intestine, large intestine, rectum,
moves through anus.
the digestive
system.
Where does the The majority of absorption occurs
majority of in the small intestine.
absorption
occur during
digestion?
Explain the Villi are finger-like projections and
structure and microvilli are even smaller
function of the projections on the villi. They
villi and increase the surface area of the
microvilli in the small intestine for efficient nutrient
small intestine. absorption.
Describe the Air enters through the nasal cavity
passage of air or mouth, passes through the
from the pharynx, larynx, trachea, bronchi,
outside bronchioles, and finally reaches
environment to the alveoli in the lungs.
the lungs.
ACTUAL Exam Questions and
CORRECT Answers
Save
Terms in this set (50)
List the Cells, tissues, organs, organ
organized systems, organism.
hierarchy of
most animal
bodies (begin
with cells)
Homeostasis is the ability of an
Explain the
organism to maintain a stable
concept of
internal environment despite
homeostasis.
external changes.
, A negative feedback loop is a
What is a
mechanism that reduces or stops a
negative
process to maintain homeostasis.
feedback loop?
An example is the regulation of
Give an
body temperature: if the body gets
example in the
too hot, mechanisms like sweating
human body.
are activated to cool it down.
Describe the Endothermic animals generate
thermoregulati their own heat internally, while
on of ectothermic animals rely on
endothermic external sources for heat.
and
ectothermic
animals.
How are Homeotherms maintain a constant
homeotherms internal body temperature, while
different than heterotherms can have variable
heterotherms? body temperatures.
What is the The function of the digestive
function of the system is to break down food,
digestive absorb nutrients, and eliminate
system? waste
, List the pathway Mouth, esophagus, stomach, small
of food as it intestine, large intestine, rectum,
moves through anus.
the digestive
system.
Where does the The majority of absorption occurs
majority of in the small intestine.
absorption
occur during
digestion?
Explain the Villi are finger-like projections and
structure and microvilli are even smaller
function of the projections on the villi. They
villi and increase the surface area of the
microvilli in the small intestine for efficient nutrient
small intestine. absorption.
Describe the Air enters through the nasal cavity
passage of air or mouth, passes through the
from the pharynx, larynx, trachea, bronchi,
outside bronchioles, and finally reaches
environment to the alveoli in the lungs.
the lungs.
