Intro to A+P Flashcards

1
Q

Levels of Organ. AMOCTOOO

A
1-atom
2-molecule
3-organelle
4-cell
5-tissues
6-organs-
7-organ system
8-organism
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2
Q

atom

A

smallest thing w/ chem. prop.

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3
Q

molecule

A

made up of 2+ atoms

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4
Q

organelle

A

consist in cell

e/ have own fun.

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5
Q

cell

A

smllst unit of organism that carry out basic fun. of life

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6
Q

tissues

A

mass of similar cells w/ specific form

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7
Q

organs

A

composed 2+ tissues

wrk to carry out specific fun.

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8
Q

organ system

A

grp organs w/ collective fun

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9
Q

organism

A

a complete individual

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10
Q

characteristics of living organism (COMDEHRR)

A
organization
cellular composition
metabolism
responsiveness
homeostasis
dev
reproduction
evolution
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11
Q

organization for living organism

A

organ system

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12
Q

cellular comp

A

have more than 1 cell

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13
Q

metabolism

A

converting outside mol. into something useful through chem. rxns

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14
Q

responsiveness

A

react to stimuli (1st step in - response cycle)

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15
Q

homeostasis

A

ability to maintain internal stability

weakens overtime

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16
Q

dynamic equilibrium

A

ex. temp
setpoint which values fluctuate around
(the average)

17
Q

development

A

change in form or fun.

18
Q

intrinsic regulation

A

at tissue and organ lvl

changes sm areas body to prevent further problems

19
Q

extrinsic regulation

A

external message
can be neural or hormonal
Ex. message from brain to legs to start running

20
Q

negative feedback loop

A

body senses a change + activates response to reverse it

21
Q

Negative feedback components (SSCMER)

A
1-stimulus
2-sensor
3-control center
4-message
5-effector
6-response
22
Q

Negative feedback- stimulus

A

physical of chem change

23
Q

Negative feedback-sensor

A

cell type that detects change

24
Q

Negative feedback-control center

A

2 kinds
brain or endocrine
processes info and sends message

25
Q

Negative feedback-message

A

neural or hormonal form from control c.

26
Q

Negative feedback-effector

A

(can be at any lvl)

receives message by protein binder or receptor

27
Q

Negative feedback-response

A

change in act.