The Nervous System Questions with Answers

The Nervous System Questions with Answers synapse - ANSWER- A ________ is a small space across which an impulse travels to move from one neuron to another. central - ANSWER- The ________ nervous system is made up of the brain and spinal cord. peripheral - ANSWER- The ________ nervous system is made up of all the nerves outside the brain and spinal cord. dendrite - ANSWER- What is the branch part of the neuron that receives messages and sends them to the cell body? axon - ANSWER- What is the branch part of the neuron that transports messages away from the cell body? neuron - ANSWER- A ________ is made up of a cell body, dendrite, and axon. reflex - ANSWER- When a movement causes the spinal cord to interpret an impulse from the brain from sensory receptors this movement is called a ________. spinal cord - ANSWER- Which part of the body is made up of bundles of neurons that carry impulses from all parts of the body to the brain and from the brain to all parts of the body? homeostasis - ANSWER- The regulation of steady, life-maintaining conditions inside an organisms is called ________. stimuli - ANSWER- The senses act as the body's alert system, reacting to ________ and transmitting impulses to the brain. stimulus - ANSWER- A ________ is any change inside or outside your body that brings about a response in a living organism. neurons - ANSWER- Your nervous system is made up of ________ which are made up of a cell body and branches of dendrites and axons. dendrite - ANSWER- This is the part of the neuron that receives messages and send them to the cell body. axon - ANSWER- This is the part of the neuron that carries messages away from the cell body. impulses - ANSWER- Messages carried by nerve cells are called ________. three - ANSWER- You have ________ kinds of nerve cells. sensory - ANSWER- Nerve cells that receive information and send impulses to the brain or spinal cord are called ________ neurons. interneurons - ANSWER- Nerve cells that relay impulses from sensory nerve cells to motor nerve cells are called ________. motor - ANSWER- Nerve cells that conduct impulses from the brain to muscles and glands throughout your body are called ________ neurons. touch - ANSWER- Nerve cells do not ________ each other, yet still pass impulses to each other. impulses - ANSWER- Nerve cells do not touch each other, yet still pass ________ to each other. space - ANSWER- A synapse is a ________ between nerve cells. synapse - ANSWER- A ________ is a space between nerve cells. chemical - ANSWER- When an impulse reaches the end of an axon, the axon releases a ________. dendrite - ANSWER- When an impulse reaches the end of an axon, the axon releases a chemical that flows across the synapse and relays the impulse to the ________ of the next neuron. brain - ANSWER- The ________ coordinates all of your body activities. peripheral - ANSWER- The ________ nervous system connects your brain and spinal cord to the rest of your body. two - ANSWER- The peripheral nervous system has ________ systems. somatic - ANSWER- In the peripheral nervous system the ________ system controls voluntary actions. autonomic - ANSWER- In the peripheral nervous system the ________ system controls involuntary actions. injury - ANSWER- Any ________ to the brain or spinal cord can be serious. paralysis - ANSWER- Injury to the spine can result in loss of muscle movement called ________. reflex - ANSWER- A ________ is an involuntary, autonomic response to a stimulus controlled by the spinal cord. internal organs - ANSWER- For your sense of touch sensory receptors are found in ________ ________ and skin. skin - ANSWER- For your sense of touch sensory receptors are found in internal organs and ________. These sensory receptors can pick up changes in touch, pressure, pain, and temperature. dendrite - ANSWER- In this picture of neuron structure what is letter "A" pointing to? cell body - ANSWER- In this picture of neuron structure what is letter "B" pointing to? nucleus - ANSWER- In this picture of neuron structure what is letter "C" pointing to? myelin sheath - ANSWER- In this picture of neuron structure what is letter "D" pointing to? axon - ANSWER- In this picture of neuron structure what is letter "E" pointing to? Action Potential - ANSWER- Process of the movement of ions in a neuron in response to a given stimulus Astrocytes - ANSWER- Abundant, star-shaped cells that brace neurons and control the brain's chemicals