How is homeostasis achieved?
Responses
Cells maintain internal stability.
Cells maintain internal stability.
Cells secrete stomach enzymes.
Cells secrete stomach enzymes.
Cells control involuntary movements.
Cells control involuntary movements.
Cells control voluntary movements
Cells control voluntary movements.
Which cells carry nutrients from food to the rest of the cells in the body?
Responses
blood cells
blood cells
nerve cells
nerve cells
muscle cells
muscle cells
stomach cells
blood cells
Which example shows an organism that cannot reach homeostasis through internal changes?
Responses
A lizard is cold, and it moves to a sunny rock to warm up.
A lizard is cold, and it moves to a sunny rock to warm up.
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A dog shivers when it is too cold.
A dog shivers when it is too cold.
What is the function of an organ system?
Responses
to be a basic unit of organization with bodies
to be a basic unit of organization with bodies
to organize a group of similar cells
to organize a group of similar cells
to control movement in internal organs
to control movement in internal organs
to work together to do a specific jo
to work together to do a specific job
Which component of nerve cells contains the nucleus?
Responses
dendrite
dendrite
axon
axon
cell body
cell body
neuron
cell body
Which is most complex?
Responses
organs
organs
organ system
organ system
tissues
tissues
cells
organ system
In which two organs is food broken down?
Responses
esophagus and small intestine
esophagus and small intestine
small intestine and large intestine
small intestine and large intestine
mouth and stomach
mouth and stomach
esophagus and stomach
esophagus and stomach
mouth and stomach
How are muscle cells and bone cells similar?
Responses
Both release sweat when the temperature gets too warm.
Both release sweat when the temperature gets too warm.
Both control involuntary movements such as the beating of your heart.
Both control involuntary movements such as the beating of your heart.
Both gather information from inside and outside the body.
Both gather information from inside and outside the body.
Both make it possible for you to respond to your environment by moving.
Both make it possible for you to respond to your environment by moving.
Both make it possible for you to respond to your environment by moving.
Which organ in the excretory system has a function similar to that of the esophagus in the digestive system?
Responses
urethra
urethra
kidney
kidney
ureter
ureter
bladder
ureter
How are blood cells and stomach cells similar?
Responses
Both help maintain homeostasis.
Both help maintain homeostasis.
Both send signals in the body
Both send signals in the body
Both secrete enzymes.
Both secrete enzymes.
Both help with digestion.
Both help with digestion.
Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?
Responses
cell → organ → organ system → tissue → organism
cell → organ → organ system → tissue → organism
tissue → organ system → organ → organism → cell
tissue → organ system → organ → organism → cell
organ → organ system → cell → organism → tissue
organ → organ system → cell → organism → tissue
cell → tissue → organ → organ system → organism
cell → tissue → organ → organ system → organism
Which organ of the respiratory system is located inside the lungs?
Responses
larynx
larynx
bronchioles
bronchioles
nasopharynx
nasopharynx
trachea
bronchioles
Which organ in the excretory system filters blood?
Responses
kidney
kidney
bladder
bladder
urethra
urethra
ureter
kidney
how do polar bears maintain homeostasis in freezing cold weather?
Responses
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.
Their thick skin insulates the internal organs against the cold.
Their thick skin insulates the internal organs against the cold.
Their thick fur retains heat.
Their thick fur retains heat.
which statement is true?
Responses
Bones are composed of a single layer.
Bones are composed of a single layer.
Bones help the heart pump blood.
Bones help the heart pump blood.
Bones are organ systems.
Bones are organ systems.
Bones provide shape to the body.
Bones provide shape to the body.
What is the term for changes in the internal or external environment that cause a response?
Responses
messages
messages
signals
signals
stimuli
stimuli
nerves