Study Guide turned into a set of flashcards...Credits to Athan Cardenas for providing study guide :)
What is the definition of anatomy?
The branch of science concerned with the bodily structure of humans, animals, and other living organisms
What is the definition of physiology?
The branch of biology that deals with the normal functions of living organisms and their parts
What happens in transcription and translation?
A segment of DNA gets copied by RNA. During translation a cell makes proteins using the genetic information from an mRNA strand
What is active transport and passive transport?
Active - Cell transportation that requires energy
Passive - Cell transportation that doesn’t require energy
What happens in osmosis?
The movement of water molecules across a gradient and is passive transport
What are the 4 body tissues?
Muscle, Connective, Epithelial, and Nerve
Which body tissue is the most abundant?
What is homeostasis?
The body’s way of maintaining equilibrium (a balanced state)
What is a negative feedback loop?
A decrease in stimulus in order to return to a balanced state (Ex: sweating to cool down)
What is a positive feedback loop?
An increase in stimulus in order to return to a balanced state (Ex: Labor contractions during labor)
What are the layers of skin?
Epidermis, Dermis, and Hypodermis (IN THAT ORDER)
What is the Epidermis?
The first layer of skin; contains hair (dead) and normal skin
What is the Dermis?
The second layer of skin; contains hair follicles, sweat glands, sebaceous glands, and nerves
What is the Hypodermis/Subcutaneous layer?
The third layer of skin ; contains fatty tissue and veins
What are the three types of burns?
1st degree burn, 2nd degree burn, and 3rd degree burn
What is a 1st degree burn?
Burn that only burns the first layer (Epidermis) (Redness)
What is a second-degree burn?
Burn that burns all two layers (Epidermis and Dermis) (Blistering and Red)
What is a third-degree burn?
Burn that burns all three layers (Epidermis, Dermis, and Hypodermis) ( usually white without blood or blackened skin )
What is the function of the skeletal system?
To provide support, protect, body movement, blood cell formation (in the bone marrow), and store inorganic materials (salt, calcium, potassium, etc.)
What are osteoblasts?
They form new bone
What are osteoclasts?
They break down bone
What are osteocytes?
They are mature bone cells
What is the epiphysis?
Located at the ends of long bones ( top and bottom ) and consists of spongy bone with red marrow to fill the spaces in between it.
What is a diaphysis?
Located at the middle section of the bone and includes the medullary cavity, which is filled with yellow marrow, and the walls of the diaphysis are made of compact bone.
What is cartilage?
A firm yet flexible connective tissue that covers part of the bone (usually found at the edge of the bones)
What is spongy bone?
Is lighter and less dense than compact bone; found in the epiphysis
What is compact bone?
The hard external layer of bones and surrounds the medullary cavity
What are the 5 types of bone?
Flat, short, long, irregular, and sesamoid
Example of flat bone
Example of irregular bone
Example of sesamoid bone
Example of short bone
Example of long bone
What are the four joints?
Hinge, pivot, ball and socket, and plane
Example of pivot joint
Neck, ulna, and radius
Example of hinge joint
Fingers, knees, elbows, and toes
Example of plane joint
Wrist, ankle, and spine
Example of ball and socket joint
Hips and shoulder
What are the characteristics of Skeletal muscle and where is it found?
Skeletal muscles are attached to skeleton and are voluntary
What are the characteristics of Cardiac muscle and where is it found?
Cardiac muscles are found only in the heart and are involuntary
What are the characteristics of Smooth muscle and where is it found?
Smooth muscles cover the walls of internal organs and are involuntary
What neuroglia make myelin sheaths and where?
Oligadendricytes make myelin sheaths in the CNS
What are the four lobes of the brain?
Frontal, parietal, temporal, and occipital
What function does the frontal lobe have?
Emotions and thinking
What function does the parietal lobe have?
What function does the temporal lobe have?
What function does the occipital lobe have?
What is the sympathetic nervous system for?
Responsible for your “fight or flight” responses
What is the parasympathetic nervous system for?
Calming you down
What is found in the outer ear?
Ear canal and external ear
What is found in the middle ear?
Ossicles and eardrum
What is found in the inner ear?
Semicircular canals, auditory nerve, cochlea, and vestibular nerve.
What do olfactory nerves/cells do?
The olfactory nerves allow you to perceive smell.
What are the hormones of the pituitary gland?
OT, ADH, TSH, GH, ACTH, FSH, LH, and PRL
What are the hormones of the pineal gland?
What are the hormones of the adrenal gland?
Cortisol, aldosterone, adrenal androgens, epinephrine, and norepinephrine
What is the function of OT?
Stimulates labor contractions
What is the function of ADH?
Causes the kidney to retain water
What is the function of TSH?
Stimulates the thyroid to release its hormones
What is the function of GH?
Stimulates growth and cell production
What is the function of ACTH?
Stimulates the adrenal cortex to release stress hormone
What is the function of FSH?
Stimulates sperm and egg production
What is the function of LH?
Regulates sex hormones
What is the function of PRL?
Stimulates production of breast milk
What is the function of melatonin?
Regulates the sleep cycle ( puts us to sleep )
What is the function of cortisol?
Increase sugars in the bloodstream
What is the function of aldosterone?
Maintains blood pressure by regulating salt and water in the body
What is the function of adrenal androgens?
Sex hormones for puberty
What is the function of epinephrine?
Stress hormone that maintains blood pressure
What is the function of norepinephrine?
Increases heart rate due to anger or fear
How do smell and taste work together?
When you chew food, odor molecules enter the back of your nose. Your taste buds tell you if a food is sweet, sour, bitter, or salty. Your nose figures out the specifics, like if that sweet taste is a grape or an apple
What do the nervous system and endocrine do to keep balance in the body?
The hypothalamus connects the endocrine and nervous systems. It also produces releasing and inhibiting hormones that either stop or start the production of other hormones in the body.
What happens in diffusion?
The passive transport of molecules