Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
what cells are responsible for skin color?
what are the specialized cells called that causes older cells to harder?
which are characteristics of local potentials? select all that apply
this picture illustrates that when a stimulus strength (weight) and stretch increase at a sensory fiber, the firing frequency of the neurons increase. which term refers to the conversion of stimulus information into a meaning pattern of action potentials?
Since neurons generally do not undergo mitosis after reaching maturity, which organelle do they lack?
this is the most common structural type of neuron. it contains one axon and multiple dendrites, and it is classified as a(n) ______ neuron
which type of memory allows us to hold a thought long enough to take action on it?
the opposite of facilitation is presynaptic _______. this is mechanism in which one presynaptic neuron suppresses another one
which two organ systems are primarily responsible for coordinating the other bodily systems so as to maintain homeostasis? select two answers from the list below.
Some neurotransmitters can be either excitatory or inhibitory effects depending on which of the following?
A shift in membrane voltage to a value that is more negative than the resting membrane potential is called
the Schwann cell coils around the nerve fiber, finally ending with a thick outermost coil called neurilemma. external to the neurilemma there is a thin sleeve of fibrous connective tissue called the _______
the upward phase of a sit up is an example of ____ for the rectus abdominus
the motor division of the PNS is further subdivided into the ________ motor division that carries signals to the skeletal muscles and the _______ motor division (also known as the autonomic nervous system), which carries signals to glands, cardiac muscle, and smooth muscle
which term refers to the voltage difference (electrical potential) across the plasma membrane of a neuron when it is at rest and not engaged in electrical signaling?
the visceral motor division of the PNS is also called the autonomic division. which of the following are functions of this division? select all that apply
an axon lacking a myelin sheath is said to be...
which ion has the greatest influence on the resting membrane potential of most neurons?
the sensory and motor divisions of the peripheral nervous system are further split into which two subdivisions?
at a synapse, the neuron that releases neurotransmitter is the _________________ neuron.