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anatomy s.o.
nervous system
| Question | Answer |
|---|---|
| The _______ nervous system consists of all nerves outside the brain and spinal cord. | Peripheral |
| The _______ nervous system controls involuntary actions of the internal organs. | Autonomic |
| Chemical messengers that relay impulses across nerve junctions are called. | Neurotransmitter |
| The bio-electrical signals conducted by nerve cells are known as. | Neural Impulse |
| Conditions or events that cause the body to react are called. | Stimuli |
| The _______ nervous system is reponsible for voluntary movements and the senses. | Somatic |
| The _______ nervous system consists of the brain and spinal cord. | Central |
| A quick involuntary response to a sensory stimulates (e.g. knee-jerk) is called. | Reflex Action |
| What kind of actions are controlled by the somatic nervous system? | Involuntary |
| The 12 pains of nerves that emerge directly from the brain are collectively called. | Cranial Nerves |
| Which nerves carry smell impulses from receptors in the nose to the brain? | Olfactory Nerves |
| The 31 pairs of nerves that emerge from spinal cord segiments are collectively called | Spinal Nerves |
| What kind of actions are controlled by automatic nervous system? | Voluntary |
| Which nerves carry light impulses from the retina to the brain? | Optic Nerves |
| Name the thick column of nervous tissue that connects the brain to all parts of the body. | Spinal Cord |
| Neuron that carries stimuli impulses to the brain or spinal cord is termed as. | Sensory Neuron |
| What part of the brain controls thought, voluntary movement, language and reasoning? | Cerebrum |
| Neuron that carries signals from brain to the muscles to control movement is called. | Motor Neuron |
| What type of response protects your hand when it touches a hot surface? | Reflex |
| The right hemisphere of the brain controls which side of the body? | Left |
| Heartbeat, breathing, digestion are functions controlled by which nervous system? | Automatic |
| The left hemisphere of the brain controls which side of the body? | Right |
| What part of the brain controls the balance and coordinates body movements? | Cerebellum |
| Nerve ending that recognizes a stimulus in th4e environment and converts it into a signal. | Sensory Receptor |
| Short bushy fibers of a neuron that receive impulses from other neurons are called. | Dendrite |
| Neuron that carries stimuli impulses to the brain or spinal cord is termed as. | Sensory Neuron |
| What is the scientific term for a nerve cell-cell that conducts bioelectrical signals? | Neuron |
| Name the tiny gap between nerve fibers where impulses pass from one neuron to another. | Synapse |
| Neuron that carries signals from the brain to the muscles to control movement is called. | Motor Neuron |
| Chemical messengers that relay electrical impulses across a synapse are called. | Neurotransmitter |
| Long extension of a nerve cell that carries impulses to other neurons, muscles or glands is called. | Axon |
| What part of the brain controls hunger, thirst, body temperature, and sleep cycle? | Hypothalamus |
| What specific part of the brain controls breathing, heart rate and blood pressure? | Medulla |
| Protective cushion of liquid that circulates in the brain and spinal cord. | Cerebrospinal Fluid |
| Name the large band of neural fibers that connects the two brain hemispheres. | Corpus Callosun |
| Name the part at the top of the spinal cord that controls body's involuntary actions. | Brain Stem |
| What part of the brain controls the balance and coordinates body movements? | Cerebellum |
| Large part of the brain that controls thought, voluntary movement, language and reasoning? | Meninges |
| Name 3 protective membranes that cover the brain and spinal cord. | Cerebrum |
| Progressive disease that destroys brain cells and causes muscular tumors and rigidity. | Parkinson's Disease |
| Damage to brain tissue due to sudden bleeding or blocking of blood vessel in the head. | Stroke |
| Swelling of the brain due to water retention usually after head injury. | Cerebal Edema |
| Abnormal growth of brain tissue that can compress and destroy healthy brain tissue. | Brain Tumor |
| Brain disorder resulting in gradual loss of memory, reasoning, language and physical functioning. | Alzheimer's Disease |
| Injury to the brain caused by sudden impact, usually causing unconsciousness. | Concussion |
| Central nervous system disorder characterized by loss of consciousness and severe convulsions. | Epilepsy |
| Infection and inflammation of the protective membranes covering the brain and spinal cord. | Meningitis |
| The chemical product of an endocrine gland is called. | Hormone |
| Feed back mechanism that maintains hormone levels within narrow ranges is called. | Negative Feedback |
| Diabetes, a common disease, is a disorder of which endocrine gland? | Pancreas |
| To produce a response, what do hormones bind to on the surface of target cells? | Receptors |
| An example of a fast-acting hormone is. | Adrenaline |
| Feedback mechanism that steadily increases hormone levels during stimuli is called. | Positive Feedback |
| An example of a slow-acting hormone is. | Human Growth Hormone |
| Endocrine glands secrete directly into what area of your body? | Blood System |
| Releases hormones including insulin that control the blood sugar level and fat metabolism. | Pancreas |
| Releases hormone that affects the wake-sleep patterns and biological rhythms. | Pineal Gland |
| Releases hormone that control the amount of calcium in the blood and within the bones. | Parathyroid Gland |
| Releases hormones that control growth, blood pressure, reproductive functions, and other glands. | Pituitary Gland |
| Releases hormone that controls body's reaction to stress(fight or flight response). | Adrenal Gland |
| Releases testosterone that causes development of male reproductive organs and features. | Testis |
| Releases hormones that regulates basal metabolic rate, oxygen use and heat production. | Thyroid Gland |
Created by:
frenchfry