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living environment > excretory, locomotive, regulatory, immune > Flashcards

excretory, locomotive, regulatory, immune Flashcards

1
Q

what is the point of the excretory system

A

removing waste products of cellular mentabolisms

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2
Q

which wastes can be toxic

A

nitrogen

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3
Q

what would happen if you didn’t get rid of waste

A

it could make your blood acidic and it could poison you

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4
Q

what is the purpose of the liver

A

it removes waste + worn out blood cells + converts toxic nitrogen compound ammonia into less toxic urea

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5
Q

what are kidneys made up of

A

nephrons

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6
Q

what are nephrons

A

functional unit of the urinary system/kidneys

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7
Q

what is the purpose of the kidneys

A

to remove materials from the blood

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8
Q

what happens to the useful materials in the blood that the kidneys remove

A

it gets reabsorbed

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9
Q

what happens to the unuseful materials in the blood that the kidneys remove

A

they will be sent to the ureter

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10
Q

what do the kidneys help maintain and how

A

high blood pressure by removing water from the blood

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11
Q

what is the purpose of the urinary bladder

A

it’s temporary storage for liquid waste

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12
Q

what is the purpose of the ureters

A

transports un absorbed materials from the kidney and to the bladder

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13
Q

what is the urethra

A

its the tube where liquid that is stored in the bladder exits the body and the tube is connected to the anus

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14
Q

what is the urine

A

liquid waste

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15
Q

urine made of

A

mostly water and salt

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16
Q

what is homeostasis do in the excretory system

A

removes toxic waste materials from the body

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17
Q

what are kidney stones

A

hardened deposit stored in the kidney that prevents urine from leaving

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18
Q

what is gout

A

uric acid crystals that cause arthritic life conditions

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19
Q

what is locomotion

A

it refers to your ability to move

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20
Q

what are the atvantages of locomotive

A

finding food, shelter, a mate, escaping predators/toxic environments

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21
Q

what is the name of your skeletal system

A

the endocrine system

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22
Q

how many bones is your endocrine system made up of

A

206

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23
Q

what is the function of the skeletal system

A

shape and support

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24
Q

what is cartilage

A

flexible connective tissue found between joints which acts as a cushion

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25
what does the cartilage help support
the trachea
26
what is an infant's skeleton made up of
cartilage
27
can muscles contract or pull
only pull
28
what is the difference between Visceral/Smooth Muscle and cardiac
Visceral/Smooth Muscle are used by internal organs and cardiac muscles are found in the heart
29
what muscles are used for locomotion
Skeletal/Striated Muscle
30
what are tendons
tough fibrous, inelastic connective tissue that attaches muscles to bones
31
what are ligaments
tough, fibrous, elastic connective tissue that attaches one bone to another at movable joints
32
what does the regulatory system do
responds to changes in the environment/coordinates life activities
33
what is the central nervous sytem made out of
brain and nerve cord.
34
what does the cerebrum do
its where the thinking occurs/ center for voluntary action
35
what does the cerebellum do
used for balence/ coordination
36
what does the medulla/brainstem do
tells heart to beat/ cant survive without
37
what does the nerve/spinal cord do
relays info to & from the brain / center for reflex action
38
what are hormones
chemical messengers that travel through the circulatory system/ a way to monitor what's in ur body + make adjustments
39
what does the endocrine system use to monitor the body
feedback
40
why does the endocrine system use feedback
to maintain dynamic equilibrium + homeostasis
41
what does the pancreas do
it releases 2 hormones (insulin and glucagon)
42
what is polio
it disrupts motor functions but doesn't affect thinking
43
what are strokes
discruption of blood supply to a portion of the brain and that part becomes damaged
44
what is goiter
an enlarged thyroid that results in a change in metabolic rate. This results from iodine deficiency
45
what is cerebral palsy
a problem with the cerebrum that controls voluntary motor function
46
what are diabetes
a problem with the pancreas. The person is unable to control blood sugar levels.
47
what are diseases
failure to maintain homeostasis
48
what are pathogens
disease causing agents
49
what are antigens
These are proteins found on most things
50
what are phagocytes
They engulf foreign antigen and destroy them, you're born with these
51
what are lymphocytes
not born w these, only way to develop these are to be exposed to pathogens,
52
what do lymphocytes do
they secrete antibodies that destroy/mark for destruction things with foreign antigens
53
what are vaccinations used for
Vaccines are used to help develop lymphocytes using dead/weakened pathogens
54
what are damages to the immune system
aging, stress, fatigue
55
what are aids
result of HIV, The result is a person that cannot protect themselves from pathogens that a healthy immune system can easily defeat
56
when you have allergies what does your body produce
histamines
57
what are antihistamines
chemicals that are found in allergy medicines. They destroy histamines or prevent the release of histamines.
58
when does the body attack itself
In one form of diabetes, the immune system attacks the group of cells in the pancreas that produce insulin
59
what is lupus
an autoimmune disease in which the immune system attacks healthy cells
60
what happens when you get organ transplants
The immune system will attack the organ, because of the different antigens.
61
what are Immunosuppressant Drugs
Reduce the effectiveness of the immune system so that the organ will not be rejected
62
what do Immunosuppressant Drugs do to your immune system
it reduces the immune systems ability to fight other pathogens

living environment (7 decks)

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