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The Nervous and Circulatory Systems. I. The Nervous System. Open Sciencesaurus to 095 – 096 What is the purpose of the nervous system ? It controls and coordinates your body’s activities and helps you sense and respond to changes in your environment.
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I. The Nervous System Open Sciencesaurus to 095 – 096 • What is the purpose of the nervous system? • It controls and coordinates your body’s activities and helps you sense and respond to changes in your environment. 2. What are the names of the three parts of the nervous system? • The brain, the spinal cord, and the nerves that extend throughout your body.
I. The Nervous System 3. Sketch and label the diagram of the three parts of the nervous system below.
I. The Nervous System 4. What are the names of the five sense organs? • Eyes, ears, nose, tongue, skin 5. Which body parts make up the central nervous system? • The brain and spinal cord. 6. What are the names of the three distinct parts of the brain? • Cerebrum, cerebellum, brain stem
I. The Nervous System cerebrum 7. Sketch and label the diagram of the brain below. brain stem
I. The Nervous System 8. What are the functions of the following parts of the brain? a. cerebrum – the control center of thoughts and voluntary action, where you experiences the sensations of touch, taste, sight, hearing, and smell b. cerebellum – helps with balance and coordination c. brain stem – controls vital and continual processes such as breathing, the beating of your heart, and digestion
I. The Nervous System 9. The cerebrum is made of two hemispheres. • What is the function of the left hemisphere? • Language and logical thinking b. What is the function of the right hemisphere? • Activities that require imagination and creativity.
I. The Nervous System 10. Define spinal cord. • Bundle of nerves that goes from the brain stem down the center of your back, protected by the vertebrae 11. What is the function of the spinal cord? • It connects with other nerves outside the central nervous system. It also controls reflexes.
I. The Nervous System 12. What are reflexes? • Responses of the nervous system that are directed by the spinal cord, rather than the brain 13. Why is feeling pain important? • So your body can avoid serious injuries 14. Define neurons. • Nerve cells, with axons and dentrites.
The Nervous System 15. Complete the following chart of the sense organs.
I. The Circulatory System • Open Sciencesaurus to 093. • What is the function of the circulatory system? • Transports needed substances throughout your body and carries away wastes. 2. What are the three parts of the circulatory system? • Blood, heart, and blood vessels
I. The Circulatory System 3. What is blood and its function? • A tissue made up of cells and cell parts that are carried in a liquid 4. What are the 4 components (parts) of blood? • Red blood cells, white blood cells, platelets, plasma
I. The Circulatory System 5. What are platelets and their function? • Cell pieces that help your blood clot when you have an injury 6. What is plasma and what is it composed of? • A pale yellow liquid that carries blood cells, platelets, and dissolved food and proteins. 7. What is the function of white blood cells? • Help you fight disease
I. The Circulatory System 8. Sketch and label the diagram of the circulatory system. heart arteries veins
I. The Circulatory System 9. What is the function of the heart? • It pumps blood throughout your body. 10.List the 3 types of blood vessels from big to small. • Arteries • Veins • Capillaries
If your blood type is . . . 11. Copy the Blood Type Compatibility chart.
I. The Circulatory System 12. Why is it important to know your blood type? • If there were an emergency and you needed blood you could tell the doctor your blood type and get it quickly.