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25 Cards in this Set
- Front
- Back
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What are the two dorsal body cavities? Give an example of an organ in each. |
Cranial cavity: brain Spinal cavity: spinal cord |
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What are the levels of organization (simplest to complex) |
1. atom 2.molecule 3.cell 4. tissue 5.organ 6.organ system 7.organism |
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Describe anatomical position
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body erect feet parallel arms hanging at the sides palms facing forward |
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What are the survival needs of the body
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1. appropriate body temp 2. atmospheric pressure 3. nutrients 4. oxygen 5. water |
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Functional characteristics of organisms
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1. digestion 2. excretion 3. growth 4. maintenance of boundaries 5. metabolism 6. responsiveness 7. reproduction |
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Three body planes and description
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midsagittal- cuts body in half vertically transversal- cuts body in half horizontally frontal- cuts body in half (front and back) |
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What is the storage form of carbs in humans? Where is it stored? |
Carbohydrates are short term energy. |
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Define: Monosaccharide? Polysaccharide? |
Mono-single sugars Poly-many sugars linked together |
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What is the pH range of a(n): Acid? Base? |
Acid: 1-6 Base: 8-14 |
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Which type of carbohydrate is in absorbable form?
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monosaccharide
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Three main parts of a negative feedback loop?
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1. receptor 2. control center 3. effector |
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What is a positive feedback mechanism? Give example. |
Increases the original stimulus to push the variable further. Ex: blood clotting and birth |
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What are 2 ventral cavities? Give an example of an organ in each |
1. Abdominal Cavity-lungs 2. Pelvic Cavity- bladder |
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What is homeostasis?
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-Maintenance of a stable internal environment -A dynamic state of equilibrium |
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What is metabolism?
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-all chemical reactions that occur within body cells
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Why is water necessary for life?
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-It is 60-80% of body weight -It provides medium for metabolic reactions |
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What are examples of inorganic compounds?
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(Compounds that do not have C-H bonds) 1. Water 2. Carbon Dioxide |
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What are some examples of proteins?
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-keratin -hemoglobin |
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What is the function of the lymphatic system? |
-returns fluid leaked from blood to blood vessels to continue circulation -helps cleanse body |
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What is the function of the respiratory system? |
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What is the function of the nervous system? |
-keeps blood supplied with oxygen -removes CO2 -exchanges gas to and from the blood |
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What is the function of the integumentary system? |
-protects from mechanical and chemical damage -barrier against pathogens -protects from UV radiation and desiccation -maintenance of internal temperature -makes vitamin D |
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What is vitamin D?
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any of a group of vitamins essential for the absorption of calcium
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What is ATP?
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ATP transports chemical energy within cells for metabolism.
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What two cavities does the diaphragm divide?
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The thoracic and the abdominal cavity
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