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34 Cards in this Set
- Front
- Back
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What is the definition of Anatomy?
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The science of body structure.
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What is the definition of Physiology?
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The study of body function.
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Which plane divides the heart into anterior and posterior portions?
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Frontal / Coronal plane.
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What is the name of the cavity that surrounds the heart?
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Pericardial.
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What cavities surround the lungs?
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Pleural.
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What type of feedback system reverses change in a controlled condition?
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Negative feedback system.
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What type of feedback system intensifies changes?
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Positive feedback system.
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Which organ system is responsible for the regulation & composition of the blood?
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Urinary.
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Use the correct directional term: "The heart is_______to the head."
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Inferior.
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Use the correct directional term: " The knee is________to the ankle."
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Proximal.
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Which body cavity contains the brain?
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Cranial.
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The plane that divides the body into equal left and right halves is?
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Midsagittal.
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The plane that creates a front and back half of the body is what?
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Coronal.
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What are the 3 components of a feedback loop?
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1.Receptor (stressor)
2. Integrating centre (homeostatic mechanism) 3. Effector (condition brought back to the steady state) |
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What is the purpose of a negative feedback loop?
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To return an abnormal change to within the normal range.
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What is the purpose of a positive feedback loop?
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To amplify a stimulus.
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Which organ/s are in the vertebral cavity?
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Spinal cord.
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The ventral body cavity can be further divided into which two cavities?
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The thoracic cavity and the abdominopelvic cavity.
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What are the 2 principal body cavities?
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The dorsal cavity and the ventral cavity.
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The dorsal cavity is subdivided into which 2 cavities?
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The cranial cavity and the vertebral canal.
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What are the thoracic and abdominopelvic cavities separated by?
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The diaphragm.
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The mediastinum is found in which cavity?
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The thoracic cavity.
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The mediastinum is located between what?
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The pleural cavities.
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Define metabolism.
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The chemical activities that take place in the body.
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What happens during anabolism?
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Energy is used to make chemical compounds and structures needed by the cell.
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What is catabolism?
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The breaking down phase of metabolism. It provides the energy required for anabolism.
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Describe inorganic compounds and give examples.
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Relatively small, simple chemical compounds such as water, salts, & simple acids & bases.
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Describe organic compounds and give examples.
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Large, complex compounds containing carbon. The 4 important groups are: carbohydrates, lipids, proteins & nucleic acids.
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What are carbohydrates and what are they used for?
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They are sugars and starches. Used for fuel and to store energy.
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Lipids include which 3 things?
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1. Fats (compounds that
store energy) 2. Phospholipids (components of cell membranes) & 3. Steroids (which include several hormones) |
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What are proteins?
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Large,complex molecules composed of subunits called amino acids.
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Describe nucleic acids.
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Like proteins, they are large, complex compounds. Two important nucleic acids are: DNA and RNA.
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What is DNA?
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Makes up the genes/hereditary material; contains the instructions for making all the proteins needed by the cell.
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RNA is important for what?
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The process of manufacturing proteins.
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