The endocrine system acts on the body through chemical products called
A change or signal in the environment that can make an organism react is called a(n)
What happens during delivery?
Sound waves travel through the ear where they are converted to vibrations. The vibrations are then converted into
The ___ is composed of the nerves of the somatic and autonomic nervous systems.
The endocrine system controls the amount of hormones in your bloodstream by a process known as
Your nervous system
The nucleus of a neuron is found in its
The neuron that sends an impulse to a muscle or gland, enabling it to respond, is a
Which is NOT true about synapses?
The control center of the central nervous system is the
The ___ controls your body's involuntary actions, like breathing and heart beat
What protects the brain from injury?
The ___ nervous system controls involuntary actions like digesting food.
The lens focuses light rays onto the ___,
Which is not a main taste sensation?
Sound waves hit the ____ and are converted to vibrations.
Touch receptors are found
Which system causes longer-lasting effects?
Hormones travel in the blood until they find their
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