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Nervous Circulatory Respiratory A Picture is Mixed Bag System Worth… System System 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 What organs are involved in the Nervous System? Brain, spinal cord and nerves. What are the three jobs of the Nervous System? 1. Receive information from the external environment 2. Respond to information 3. Maintain homeostasis If you are reading a book, what part of your brain is helping you? Your Cerebrum A nerve impulse enters through the ___________ of the neuron. Dendrite What organs make up your central nervous system? Brain and Spinal Cord What organs are involved in the Circulatory System? Heart, blood and blood vessels What are the two jobs of the circulatory system? Bring needed substances to cells, and to carry waste away from cells. Your heart is a hollow ___________ that pumps blood your whole life. Muscle What are the four things that make up blood? 1. 2. 3. 4. Red Blood Cells White Blood Cells Platelets Plasma List how blood flows through the body starting with the Right Atrium Right atrium Right Ventricle Pulmonary Artery Lungs Pulmonary Vein Left Atrium Left Ventricle Aorta Body Vena Cavas What are the two jobs of the respiratory system? Moves oxygen into the body and removes carbon dioxide and water. How are your lungs able to take in so much oxygen? Due to the large surface area of the alveoli. What is the large muscle that controls your breathing? Diaphragm This is the part of the respiratory system that is shared with the digestive system, also known as your throat. Pharynx What is the process that allows the carbon dioxide in the blood to move into the alveoli and the oxygen to move into the blood? Diffusion Label the Parts of the Neuron. A B D C E A. B. C. D. E. Dendrite Cell Body Nucleus Axon Axon Tip What is the arrow pointing to? The Trachea What are the arrows pointing to? D C B A A. Right Ventricle B. Right Atrium C. Left Atrium D. Pulmonary Artery What are the arrows pointing to? A B C A. Bronchi B. Alveoli C. Diaphragm Label the Parts of the Brain A B C A. Cerebrum B. Cerebellum C. Medulla (Brainstem) What is the job of the ventricle? Pump blood out of the heart What is the name of the wall that separates the sides of the heart? The septum Describe how the circulatory system and respiratory system are related using the following words: alveoli, lungs, oxygen, carbon dioxide, capillary, heart, and body. Example: When you inhale, you bring oxygen into your lungs. Inside the lungs, the alveoli fill with the oxygen. The capillaries that cover the alveoli contain blood high in carbon dioxide. The oxygen leaves the alveoli and enters the blood. The carbon dioxide leaves the blood and goes into the alveoli. The capillaries then carry the oxygen rich blood back to the heart to be pumped to the body. The carbon dioxide in the alveoli gets exhaled out of your body. Describe how a nerve impulse travels through a neuron using the following words: dendrite, axon, axon tips, cell body, nerve impulse, neurotransmitter, synapse, dendrite of next neuron, electrical, chemical A nerve impulse starts out in a dendrite. It then travels though the cell body and then into the axon. Then the impulse reaches the axon tips. In order to cross the synapse, neurotransmitters are released to change the impulse from electrical to chemical. The neurotransmitters go across the synapse and reach the dendrites of the next neuron. The impulse converts back to an electrical impulse and the impulse continues on. Fill in the blanks. A ________________ starts in a sensory neuron. The impulse travels up to the brain through _______________. Then the nerve impulse travels to a _______________. The motor neurons send the impulse to a _____________ which then contracts. A nerve impulse starts in a sensory neuron. The impulse travels up to the brain through interneurons. Then the nerve impulse travels to a motor neuron. The motor neurons send the impulse to a muscle which then contracts.