biology 230 human anatomy - cuyamaca college
TRANSCRIPT
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Biology230
Human Anatomy
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Anatomy
• The art of separating the parts of an organism in order to ascertain their position, relations, & structure
• Cutting something up to see what’s inside– structure
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Types of anatomy
• Microscopic anatomy – Cytology-internal structure of cells– Histology-study of tissues (groups of cells)
• Gross anatomy– Surface anatomy– Regional anatomy– Systemic anatomy
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Gross anatomy
• Surface anatomy-anatomy that we can see at the surface of the body (everyday life)
• Regional anatomy-complete anatomy (internal) of a specific region of the body (learning every blood vessel, muscle, bones, etc. in the arm)-medical school
• Systemic anatomy-the body is divided into 11 organ systems-(our class)
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Gross anatomy of the eye
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Histology of the eye
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Cytology of the eye
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Physiology
• A branch of biology that deals with the functions & activities of life or of living matter (as organs, tissues, or cells) & of the physical & chemical phenomena involved
• How does a cell/organ work?– function
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Structure follows function
• The anatomy (shape/position/structure) of an structure is designed to fulfill it’s function (physiology)
• The anatomy of the ribs protect the organs in the chest cavity. Strong bone protecting soft tissue.
• The branching of blood vessel allows the cardiovascular system to deliver blood to all cells of the body
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Internal anatomy of a kidney
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Levels of Organizationleast complex most complexChemical level>cellular level>Tissue level>Organ level>Organ system level>Organism level
Fig
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• Chemicals-elements & molecules• Cells-the subunits of an organism• Tissues-collection of similar types of cells• Organs-collection of tissues (not all the
same type) –has a specific function• Organ systems-many organs working
together to carry out bodily functions• Organism-a individual living being
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Chemical level Fig
1.3CHON-most abundant elements
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Cellular level
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Smooth muscle
tissue
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Vital properties and process of living organisms
• Read page 6 in text-• Responsiveness• Growth & Differentiation• Reproduction• Movement• Metabolism & Excretion
• Homeostasis
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Systemic anatomy
• The body has 11 organ systems• Each organ system has a number of
organs within the system• Each organ has a specific function• The organs work together to give the
organ system its function
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Functions of the 11 organ systems
• Integumentary-protection from the environment, helps control body temperature, energy storage
• Skeletal-support, protection of soft tissues, mineral storage, blood cell formation
• Muscular-locomotion, support posture, heat production------skeletal muscle
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• Nervous-directing immediate responses to stimuli by coordinating the actions of other organs
• Endocrine-directing long-term changes in the activities of other organ systems by release of hormones
• Cardiovascular-internal transport of cells and dissolved materials, including nutrients, wastes, & gases
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• Lymphatic-defense against infection & disease
• Respiratory-delivery of air to where gas exchange can occur between the air & circulating blood
• Digestive-processing of food & absorption of organic nutrients, minerals, vitamins, & water
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• Urinary-elimination of excess water, salts, & waste products; controls pH of body fluids
• Reproductive-production of sex cells & hormones
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Anatomical terminology
• Standardized anatomical language used to describe the body
• Anatomical position-standardized body position used to describe location of structures and movements of the body
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Fig
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Fig
1.10
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Fig
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Oblique plane
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Fig
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Protect internal organs
Give organs space to change size & shape (expansion/contraction of the heart)
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Fig
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Serous membranes
• Membranes lining ventral body cavities • Secrete watery solution to protect walls of
cavities and surfaces of internal organs
• Pleural membranes -pleural cavities• Peritoneum membranes -abdominal cavity• Pericardial membranes -pericardial cavity
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Levels of Organizationleast complex most complexChemical level>cellular level>Tissue level>Organ level>Organ system level>Organism level
Fig
1.4
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The Integumentary System
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Fig
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The Cardiovascular System
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The Lymphatic System
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EXAM STYLE• Station 2) (4 pts)• a) Identify the anatomical landmark labeled “a”:___• b) Identify the anatomical landmark labeled “b”:___• c) Identify the anatomical landmark labeled “c”:___• d) Identify the anatomical landmark labeled “d”:___
• Station 24) (4 pts)• a) Identify the organelle labeled “a”:____________• b) What is the function of the organ labeled “a”:_____• c) Identify the organelle labeled “b”:_____________• d) What is the function of the organ labeled “b”:_____
• Station 28) (6 pts)• Essay
• Station 30) (5 pts)• Multiple choice
a
a
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• Lab clean up- push in chairs & put away models at the end of each class!
• 10 minute break
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