Holes Human Anatomy & Physiology- CH.1
Questions and Correct Answers | Latest Update
Distinguish between Anatomy and Physiology.
Ans: Anatomy- Deals with the structure (morphology) of the body parts.
(Shapes/placements)
Physiology- Deals with the function of the body parts. (What they do/how
accomplished).
Explain the relationship between the form and function of body parts.
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Ans: Function depends on how the part is constructed. Human hand has
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long fingers heping to grasp objects.
Describe the relationship between: molecules and cells, tissues and
organs, organs and organ systems.
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Ans: Matter is composed of atoms. Atoms join to form molecules which
in large groups make up organelles. Structure and function of body is
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microscopic cell which contain organelles. Cells organize layers called
tissues which grouped together form organs. Groups of organs make an
organ system which makes an organism.
List and describe the ten characteristics of life.
Ans: Movement
Responsiveness
Growth
Reproduction
Respiration
Digestion
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Absorption
Circulation
Assimilation
Excretion
Define Metabolism give examples.
Ans: Metabolism are chemical changes that occur within body parts.
Conversion of food into energy, growth and repair of cells,
decomposition of lipids.
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List and describe the five requirements of organism.
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Ans: Water- most abundant substance in the body, required for
metabolic processes. Metabolic processes transport substances within the
body regulating temperature.
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Food- Provide body with necessary chemicals to sustain life. used in
variety of ways by body
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Oxygen- One fifth of air, used in process of releasing energy from food
substances.
Heat- Form of energy, product of metabolic reactions.
Pressure. Force applied to something. Atmospheric pressure for
breathing. Hydro-static pressure for circulatory system.
Define homeostasis and explain its importance.
Ans: Homeostasis is the stable internal environment of an organism. If
unstable the body will react in certain ways to regain its stable internal
environment.
Describe physiological control system, including role of negative
feedback.