Intro for BIO
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Most of the terminology to name and describe body parts and their functions comes from | Latin and Greek.
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An investigator who conducts an experiment to determine how temperature changes affect the rate at which the heart beats is most likely a(n) | . physiologist.
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Anatomy and physiology are difficult to separate because | anatomical structures determine which functions are possible.
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The activities of an anatomist consist of ______, whereas those of a physiologist consist of _____. | observing body parts; studying functions of body parts
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The term "anatomy" means | a cutting up.
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The term "physiology" means | mechanisms of action in the body.
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Which of the following is not true of organelles? | They are only in cells of humans.
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Which of the following lists best illustrates the idea of increasing levels of complexity? | Organelles, cells, tissues, organs, organ systems
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In all organisms, the basic unit of structure and function is | the cell.
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Specialized cell types organized in a way that provides a specific function form | tissues, which build organs.
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Simple squamous epithelium is an example of a(n) | tissue.
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Assimilation is | changing absorbed substances into different chemical forms.
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The ability of an organism to sense changes in its body illustrates | responsiveness.
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Which of the following characteristics of life and their descriptions | Circulation the movement of substances in body fluids
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Physical and chemical changes or reactions in the body are collectively known as | metabolism.
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Which of the following processes does not help to maintain the life of an individual organism? | Reproduction
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Which of the following processes is necessary to ensure the continuation of the human species? | Reproduction
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Homeostasis is the | . tendency of the body to maintain a stable environment.
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Which of the following is not an example of a homeostatic mechanism in the human body? | pulling blankets over yourself when cold at night.
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How do living organisms use oxygen? | To release energy stored in the molecules of food.
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Maintaining a stable internal environment typically requires | negative feedback
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A blood clot stimulating further clotting is an example of | positive feedback.
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Which is a factor that the human body must obtain from the environment in order to survive? | Water
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Homeostasis exists if concentrations of water, nutrients, and oxygen in body parts and heat and pressure __________. | remain within certain limited ranges
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Homeostatic mechanisms are said to act by negative feedback because changes away from the normal state | stimulate changes in the opposite direction.
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Positive feedback mechanisms | move conditions away from the normal state.
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Which of the following illustrates positive feedback control? | Maintaining blood pressure
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Positive feedback mechanisms usually produce | unstable conditions.
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Which of the following organs is in the abdominopelvic cavity? | The kidneys
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The membrane on the surface of a lung is called the | visceral pleura.
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Which of the following is not part of the female reproductive system? | The bulbourethral gland
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The thoracic cavity lies _____________ to the abdominopelvic cavity. | superior
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In organs of which system are blood cells produced? | Skeletal
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A parietal layer of serous membrane _______, whereas a visceral layer of a serous membrane ________. | lines cavities; covers organs
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Cell death first occurs | in the fetus
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Wrinkled and sagging skin results from | loss of subcutaneous fat and less elastin and collagen.
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Signs of aging at the cellular level are | impaired cell division and the ability to break down and recycle worn cell parts
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An anatomical section that separates the body into right and left portions is a __________ section. | sagittal
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The upper midportion of the abdomen is called the ____. | Epigastric
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Two anatomical terms that refer to features near the surface are | superficial and peripheral.
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Which of the following are vital signs? | Body temperature, blood pressure, and pulse rate
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Magnetic resonance imaging might be used to | .distinguish between normal and cancerous tissue.
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stem cells | 1-divide and renew themselves
2-remain undifferentiated in form
3-develop into a variety of specialize cell
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growing into any cell type and has the ability to create a human | Totipotent
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a cell that can divide and give rise to any cell type is | Totipotent
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Apoptosis is also known as | programmed cell death
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Lucky people who cannot be infected with HIV are protected because | their cells lack receptors that admit the virus
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Adrenoleukodystrophy is caused by a deficiency of a protein in the outer membrane of | peroxisomes
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