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Biology 6.1
Biology- God's Living Creation Chapter 6 Section 1
| Question | Answer |
|---|---|
| what are the four body cavities | cranial, spinal, thoracic, and abdominal |
| what does the cranial cavity contain | the brain, and the spinal cavity holds the spinal cord |
| spinal cavity | holds the spinal cord |
| thoracic cavity - chest area | contains the heart, lungs, esophagus windpipe, thymus gland, and aorta |
| what separates the abdominal cavity from the thoracic cavity | the diaphragm |
| abdominal cavity | contains the liver, stomach, pancreas, spleen, kidneys, urinary bladder, small and large intestine, and the reproductive organs |
| gonads | another name for the reproductive organs |
| visceral organs | all of the soft, internal organs within the thoracic and abdominal cavities |
| list the visceral organs | heart, lungs, and interstines |
| stystem | a group of structures which function together as a unit to perform a definite job for the body |
| the organs of the circulatory system | the heart, arteries, veins, and capillaries |
| circulatory system | certain organs that function together to bring food, water, and oxygen to the cells and to carry away waste products |
| immune system | the body's defense against bacteria and viruses and other foreign invaders |
| respiratory system | it supplies body tissues with oxygen and removes carbon dioxide |
| digestive system | it breaks down the food we eat so that the excretory system can get rid of it |
| alimentary canal | a 20 foot long tube that leads from the mouth to the anus |
| excretory system | it provides a number of openings through which a variety of waste materials are excreted from the body |
| nervous system | it coordinates the activities of the body |
| hormones | they are chemical "messengers" that give certain organs the message to slow down or to speed up |
| endocrine system | certain activities of the body are regulated by chemical "messengers" which are produced by the various glands of this system |
| integumentary system | protects the body from its surroundings |
| muscular system | provides movement for the body |
| reproductive system | the part of the body which is responsible for the continuation of the human race |
| uterus | the development of the child takes place in this muscular organ in the mother's abdomen before birth |
| 11 systems of the body | 1. reproductive system 2. respiratory system 3. circulatory system 4. immune system 5. muscular system 6. digestive system 7. nervous system 8. excretory system 9. integumentary system 10. endocrine system 11. skeletal system |
| skeletal system | 206 bones and numerous ligaments it gives support and rigidity to the body while they protect vital organs and produce cells |
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