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Anatomy & Physiology: Exam Chapter 1

Anatomy and Physiology17 CardsCreated 3 months ago

This flashcard set introduces the foundational concepts of anatomy and physiology. Learn the distinction between studying the body’s structure (anatomy) and understanding how its parts function together (physiology).

What is the difference between anatomy and physiology?


Anatomy - the scientific discipline that investigates the body’s structure (the parts)

Physiology - scientific investigation of the processes or functions of living things (how parts work together)

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Key Terms

Term
Definition

What is the difference between anatomy and physiology?


Anatomy - the scientific discipline that investigates the body’s structure (the parts)

...

What are the 6 different levels of structural and functional organization?


Chemical level - interactions between atoms
Cell level - molecules that form organelles/allow cells to function
Tissue level - groups of simi...

Name the 6 characteristics of life.


Organization: specific interrelationships among parts of organism and how these parts interact
Metabolism: chemical reactions inside an organism...

What is homeostasis?


The existence and maintenance of a relatively constant environment within the body.

Con...

What are the three components of the feedback system?


Receptor: monitors the value of a variable
Control center: receives info from the receptor, establishes set point and controls effector
Effec...

What is the difference between a negative feedback system and a positive feedback system?


Negative feedback: any deviation from set point is made smaller or resisted (acts in opposite directions)
Positive feedback: when value deviates...

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TermDefinition

What is the difference between anatomy and physiology?


Anatomy - the scientific discipline that investigates the body’s structure (the parts)

Physiology - scientific investigation of the processes or functions of living things (how parts work together)

What are the 6 different levels of structural and functional organization?


Chemical level - interactions between atoms
Cell level - molecules that form organelles/allow cells to function
Tissue level - groups of similar cells/materials that surround them
Organ level - two or more tissue types that perform common function
Organ system level - group of organs that perform common function or set of functions (viewed as a unit)
Organism level - any living thing considered as a whole

Name the 6 characteristics of life.


Organization: specific interrelationships among parts of organism and how these parts interact
Metabolism: chemical reactions inside an organism
Responsiveness: ability to sense change and adjust
Growth: increase in size or # of cells
Development: changes in an organism over time
Reproduction: formation of new cells/organisms

What is homeostasis?


The existence and maintenance of a relatively constant environment within the body.

Consists of:
Variables - conditions that can change but must remain in fairly narrow range
Set Point - ideal or normal value

What are the three components of the feedback system?


Receptor: monitors the value of a variable
Control center: receives info from the receptor, establishes set point and controls effector
Effector: produces response that changes value of variable

What is the difference between a negative feedback system and a positive feedback system?


Negative feedback: any deviation from set point is made smaller or resisted (acts in opposite directions)
Positive feedback: when value deviates from normal, system responds to make deviation greater - childbirth is ONLY time this is normal.

What is caudal?


Towards the tail


What is the central region of the body comprised of?


Head, neck, trunk


What is the trunk comprised of?


Thorax, abdomen and pelvis


What are the 9 regions of the abdomen, starting from upper left?


Right hypochondriac region
Epigastric region
Left hypochondriac region

Right lumbar region
Umbilical region
Left lumbar region

Right iliac region
Hypogastric region
Left iliac region

What is a sagittal plane?


Runs vertically through the body, separating into right and left portions


What is a medial plane?


A sagittal plane that passes through the midline of the body, dividing into EQUAL left and right halves.

What is a transverse (horizontal) plane?


Runs parallel to the ground, dividing body into superior and inferior portions


What is a frontal (coronal) plane?


Runs vertically from right to left and divides body into anterior and posterior parts.


What is a longitudinal organ plane?


Runs through the length of the organ - through the long axis


What is a transverse (cross) organ plane?


A cut at right angles to the long axis


What is an oblique organ plane?


A cut that is made across the long axis at anything OTHER than a right angle