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Nervous/Immune
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Question | Answer |
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What is the function of the nervous system? | It controls and coordinates the senses, memory, learning, and movement. |
What is the CNS? | The central nervous system consists of the brain and the spinal cord |
What is the PNS? | The peripheral nervous system includes all the nerves branching off the spinal cord |
What is the function of the cerebrum? | Complex thought processes and emotions |
What is the function of the cerebellum? | Coordination and fine muscle movement |
What is the function of the brain stem? | Involuntary processes such as breathing and heartbeat |
What is a reflex? | An automatic response that occurs quickly and without thinking about it |
Make sure you know your nerve cell picture!!!!!!!! | Yes ...this means YOU! |
What is a dendrite? | where the nerve cell receives impulses |
What is an axon? | axon carries information away from the nerve cell to the next nerve cell |
What are sensory neurons? | They carry info to the brain |
What are motor neurons? | They carry info from the brain to the body |
BE ABLE TO IDENTIFY THE PARTS OF THE BRAIN ON A DIAGRAM AND TELL WHAT THEY DO. | YES!!!! YOU NEED TO KNOW THIS. |
What is the function of the immune system? | To fight disease and infection |
What is the first line of defense for the immune system? | Healthy intact skin. Called a barrier. Keeps out many pathogens |
What is the second line of defense? | Its called inflammatory response. |
Why is the inflammatory response called nonspecific? | Because it is the same for all pathogens |
What does your body do as a result of inflammatory response? | fever, increased white blood cells, swelling in the area |
What is the third and final line of defense? | Cells identify specific pathogens |
What is a vaccination? | When people are injected with a weakened form of the pathogen to try and build immunity |
How does the respiratory system help the immune system? | Mucus in the nasal passages helps to trap pathogens |
How does the circulatory system help the immune system? | By sending white blood cells |
How does the digestive system help the immune system? | By killing bacteria in the stomach with hydrochloric acid |
What do we call the thick column of nerve tissue that connects the brain to the rest of the nerves in the body? | spinal chord |
What is a synapse? | The space between nerve cells (neurons) |
What do we call a change or signal in the environment that can make an organism react? | stimulus |
What do we call disease causing agents? | Pathogens |