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ANATOMYINTROMISSION
Introduction to Anatomy and Physiology
Question | Answer |
---|---|
study of structure of the body and how parts relate to one another | Anatomy |
study of the function of the body | Physiology |
study of the large body structures that can be easily examined without any type of magnification | Gross Anatomy |
all structures in one area are studied | regional |
studied system by system | systematic |
study structures with aid of magnification | microscopic anatomy |
study the cells of the body | cytology |
study of the tissues | histology |
Structural changes in the body cells, tissues, organs caused by disease | Pathological Anatomy |
Structural changes in an individual from conception through old age | Developmental Anatomy |
study usually divided by system | Physiology |
What a structure is capable of doing depends critically on its specific architecture | Principle of Complementary of structure and function |
Hierarchy of structural of structural organization | Atom-cells-tissues-organs-organ system-organism |
system external body covering, protection, contains receptors | Integumantary System |
protects and supports body organs, provides framework for muscles to cause movement | skeletal System |
all body muscle and aids for muscle movement | Muscular System |
fast acting control system | nervous System |
Entirely of glans that secrete hormones to control body processes, slow acting control system | Endocrine System |
carries oxygen and carbon dioxide, nutrients, wastes to and from all body systems | Cardiovascular System |
picks up fluid leaked from blood vessels and returns it to the blood | lymphatic System |
protects body against foreign invaders, only system without organs, only cells | Immune System |
known as urinary system, removes nitrogenous waste, retaining water | Excretory System |
supplies oxygen to blood and gets rid of waste carbon dioxide | Respiratory System |
breaks down food food so it can be absorbed; remove waste from bpdy | Digestive System |
helps reproduce an offspring | Reproductive System |
Survival needs | Nutrients, water, oxygen, water, body temp, atmospheric pressure |
Important life processes | Maintenance of boundaries: cell membrane,skin Movement- muscles, blood, food, urine Responsiveness- sensitivity |
set point at what variable is to be maintained | Control Center |
sensor that monitor environment | Receptors |
provides the means to control center | effector |
Control Center sends out signals to decrease | Negative Feedback |
Control Center send out signals to increase stimulus or increases effects | Positive feedback |
Inability to maintain homeostasis Most diseases are caused by it | homeostatic imbalance |