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anatomy
Chapter one
94
Anatomy
11th Grade
08/25/2025

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Term
superior
Definition
towards head
Term
inferior
Definition
away head
Term
anterior
Definition
belly side
Term
posterior
Definition
back side
Term
medial
Definition
towards midline
Term
lateral
Definition
away midline
Term
superficial
Definition
towards surface
Term
deep
Definition
away surface
Term
proximal
Definition
closer to the point of attachment
Term
distal
Definition
farther from the point of attachment
Term
When using the terms proximal and distal, what body parts are being talked about?
Definition
The limbs (arms and legs)
Term
What does anatomy mean?
Definition
The study of locations, appearances, and relationships
Term
What questions are asked about anatomy?
Definition
Where and what?
Term
What questions are asked with physiology?
Definition
How and why?
Term
What is physiology?
Definition
The study of functions
Term
What other sciences are used in physiology?
Definition
Physics, Math, and Chemistry
Term
What do body planes do?
Definition
Divides the body into sections
Term
What plane divides anterior and posterior?
Definition
Frontal
Term
What plane divides right and left?
Definition
sagittal
Term
What does mid sagittal mean?
Definition
Equal parts of right and left
Term
What plane divides superior and inferior?
Definition
Transverse
Term
What are the types of tissues?
Definition
Epithelial, connective, muscular, and nervous
Term
What does the Epithelial tissue do?
Definition
Covers or lines every organ
Term
What does connective tissue do?
Definition
everything else (misc.)
Term
What does muscular tissue do?
Definition
Contractile and movement
Term
What does nervous tissue do?
Definition
Sends messages
Term
How many tissues are in an organ?
Definition
2 or more
Term
What makes a system?
Definition
2 or more organs
Term
How many systems are there?
Definition
11 systems
Term
What is the skeletal system made up of?
Definition
Bones (petalla and Humerus) and tissues (epithelial and Connective)
Term
What does the skeletal system do?
Definition
Provides support, movement, mineral storage, and protection
Term
What is the muscular system made up of?
Definition
Muscle (biceps and quads) and Tissues (epithelial, connective, muscular)
Term
What does the muscular system do?
Definition
Provides movement
Term
What is the Integumentary system made up of?
Definition
Skin and tissues (epithelial, connective, muscle, and nervous)
Term
What does the Integumentary do?
Definition
Protects from the elements
Term
What is the Nervous system made up of?
Definition
Brain and spinal cord and tissues ( nervous, connective, and epithelial)
Term
What does the nervous system do?
Definition
sends electrical messages
Term
What is the endocrine system made up of?
Definition
Thyroid, stomach, pancreas, gonads, and tissues (epithelial, connective, and nervous)
Term
What does the endocrine system do?
Definition
Releases hormones
Term
What is the cardiovascular system made up of?
Definition
Heart and blood vessels, and tissues (muscle, epithelial, connective, and nervous)
Term
What does the cardiocascular system do?
Definition
Moves blood throughout the body
Term
What is the lymphatic system made up of?
Definition
Bone(marrow), lymph nodes, spleen, and tissues (connective and epithelial)
Term
What does the lymphatic system do?
Definition
Immune response
Term
What is the respiratory system made up of?
Definition
Lungs, trachea, and tissues (epithelial, connective, muscle, and nervous)
Term
What does the respiratory system do?
Definition
Gas exchange
Term
What is the digestive system made up of?
Definition
Stomach, small intestine, liver, and tissues (epithelial, muscle, connective, and nervous)
Term
What is the excretory system made up of?
Definition
Kidneys, urinary bladder, and tissues (epithelial, connective, muscle, and nervous)
Term
What does the excretory system do?
Definition
Cleans blood and removes waste
Term
What is the reproductive system made up of?
Definition
gonads, ovaries, testies, and tissues (epithelial, connective, muscle, and nervous)
Term
What does the reproductive system do?
Definition
Production of new individuals
Term
What are body cavities?
Definition
Fluid-filled space
Term
What cavities are in the dorsal cavity?
Definition
Cranial and Vertebral
Term
The Cranial and Vertebral cavities contain what?
Definition
The brain and spinal cord
Term
What cavities are in the ventral cavities?
Definition
Thoracic, pleural, pericardial, and mediastinum
Term
What is in the Thoracic cavity?
Definition
Ribs/chest region
Term
What is in the pleural cavity?
Definition
Lungs
Term
What is in the pericardial cavity?
Definition
heart
Term
What is in the mediastinum cavity?
Definition
Thymus
Term
What separates the ventral cavity from the abdominopelvic cavity?
Definition
The diaphragm
Term
What is in the abdominal cavity?
Definition
Stomach, intestines, liver, kidneys, pancreas, spleen, etc.
Term
What is in the pelvic cavity?
Definition
Bladder, reproductive organs
Term
What is metabolism?
Definition
All of the chemical reactions in the body
Term
What is Anabolism?
Definition
Reactions that build molecules (proteins, carbs, and fats)
Term
What is catabolism?
Definition
Reactions that break down molecules
Term
What is Hypertrophy?
Definition
The increase in size by INCREASING THE SIZE OF CELLS
Term
What is an example of hypertrophy
Definition
Muscle growth
Term
What is Hyperplasia?
Definition
The increase in size by ADDING TO THE NUMBER OF CELLS
Term
What is an example of atrophy?
Definition
Decrease in size (broken bone arm compared to healthy arm)
Term
What is Homeostasis?
Definition
The INTERNAL ENVIRONMENT of the body is kept RELATIVELY STABLE. (A state without change)
Term
To maintain homeostasis, what does the body have to do?
Definition
Constantly change
Term
Internal environment + the body constantly changing = ????
Definition
Dynamic equilibrium
Term
Where is the hypothalamus, and what does it
do?
Definition
Brain region keeps a stable temp. (like a thermostat)
Term
What is the body's maintained temperature?
Definition
37 degrees Celsius.
Term
What are the three ways to stay cool?
Definition
Sweating, blood moves to the skin superficially, panting
Term
What is sweat?
Definition
Water on skin
Term
How does sweat cool the body?
Definition
When the water evaporates it releases the heat
Term
What has to happen to let the sweat turn to gas?
Definition
The H-bonds have to have enough NRG to break allowing the water turn to vapor
Term
What allows molecules to move fast?
Definition
Higher tempertaure
Term
Who does sweat benifit more and why?
Definition
Females because females produce smaller drops due to a thicker layer of subcutanous fat
Term
What is sweat's real name?
Definition
Evaportive cooling
Term
What fat does the blood move to when trying to cool?
Definition
Subcutanous fat
Term
What does the blood vessels opening cause when hot?
Definition
Skin to become flush (red)
Term
vasodialtion
Definition
opens blood vessels
Term
How do dogs release heat?
Definition
panting
Term
How does panting release heat?
Definition
Releases heat with exhale
Term
Where does the evaportive cooling take place in animals?
Definition
Tonge and mouth
Term
When cold what are the 3 ways to stay warm?
Definition
Goosebumps, shivering, and blood moves deep to subcuntaeous fat
Term
How do goosebumbs work?
Definition
Erector pili muscles contract causing hair to stand up causing the warm air to be trapped near the skin
Term
Goosebumps work best for what?
Definition
Animals due to more hair and act as a double function when threatened
Term
how does shivering work?
Definition
All muscles contract in skin to create heat
Term
How is the NRG in contracting seperated? (think percent)
Definition
25% move 75% heat
Term
How does vasocontriction work? (blood moving deep)
Definition
Moves the blood deep to subcutounous fat and keeping the heat inside the body towards the core
Term
What is subcutounous fat?
Definition
Insolation
Term
When heat is moving towards the core in vasocontriction, what is sacrified?
Definition
Ears, nose, fingers, toes (frost bite)
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