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