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Biology, Chemistry, and Physics > Biology, Chemistry, and Physics > Flashcards

Biology, Chemistry, and Physics Flashcards

1
Q

What is the order of making the organ system

A 
Animal/Plant Cells= Tissue
Tissue- eg. Muscle Tissue
Tissue= Make Organs
Organs- eg. Hearts, lungs, stomach
Organs= Organ System
Organ system- eg. Digestive system
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2
Q

How many bones is the body made up of

A

200

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3
Q

What are bones made up of

A

Calcium and Other minerals

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4
Q

Why are bones made up of calcium and Other Minerals

A

To make them strong and flexible

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5
Q

TRUE OR FALSE- The bone has its own supply of blood

A

True

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6
Q

What do bones do

A

Supports the body
Protect some of the vital organs
help the body move
Make blood cells

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7
Q

why cant some bones move against each other

A

Because they are rigidly connected

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8
Q

TRUE OR FALSE- Muscles are mandatory to move bones

A

TRUE

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9
Q

What do red blood cells do?

A

Carry Oxygen

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10
Q

What do white blood cells do

A

Incharge of destroying harmful microorganisms

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11
Q

What does the cartilage do?

A

Stop the bones from rubbing together if they did the bones would start to wither away this would be arthrites

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12
Q

What is the joint that allows the bones to move more?

A

Synovial Joints

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13
Q

What does synovial liquids do?

A

Keeps the cartilage wet and smooth

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14
Q

What are some of the main joints

A

Hinge joints, Ball+Socket Joint, Pivot, condyloid, saddle, gliding

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15
Q

Give a example of bones that have a Hinge Joint and the bones involved

A

Knee

Bones: Tibula, Fibula, Patella

Movement: Flexion, Extension Dorsi, Flextion

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16
Q

Give a example of bones that are in the Ball Socket Joint and what are the bones needed

A

Shoulder

Bones: Scapula Humerus, Clavicle

Movement: Flexion Extensions adduction abduction rotation circumduction

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17
Q

Give a example of bones that are in the Pivot Joint and what are the bones needed

A

Neck:

Bones: Cervicale Vertebrae, axis and axial

Movement: Rotation

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18
Q

Give a example of bones that are in the Condyloid Joint and what are the bones needed

A

Wrist

Bone: Ulna Radius Carpals

Movement: Flexion Extensions adduction abduction

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19
Q

Give a example of bones that are in the Saddle Joint and what are the bones needed

A

Thumb

Bone: Carpals Metacarpls

Movement: Flexion Extensions adduction abduction circumduction

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20
Q

Give a example of bones that are in the Glidding Joint and what are the bones needed

A

Hand

Bones: Between the carpals

Movement: Limited Movement in all direction

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21
Q

TRUE OR FALSE: Cartilage reduces friction

A

Ture

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22
Q

What lubricates the joints of the body

A

Synovial Liquid

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23
Q

What produces Synovial Liquid

A

Synovial Membrane

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24
Q

What joins the muscle to the bone

A

The tendon

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25
what joins bone to bone
Ligament
26
How does the arm move
Muscles get shorter and they contract. Muscles then pull on the bone the bone will move its connected to a joint
27
What can bone sin the body do?
``` Protection Anchors for the muscles to attach to Leverage Storing Minerals A source of blood cell production Support Framework Weight Bearing Reduce Friction Across a joint ```
28
What are atoms joined by?
Chemical Bonds which use the electrons found around the nucleus
29
What are the two types of chemical bonds
Covalent bonds, ionic bonds
30
What is a atom made up of
a nucleus surrounded in smaller electrons The nucleus is positively chard while electrons are negatively charged
31
TRUE OR FALSE- the chemical formula shows how many atoms are in each element
True
32
what is word balancing equations
Reactants ----> Products] eg. Copper + Oxygen= copper oxide
33
TRUE OR FALSE- Are metal particles held together by strong metallic bonds
TRUE
34
What are metal properties
``` Shiny Hard heavy for there size refuse to stretch high melting point good conductor of heat ```
35
Kneed to know
a more reactive metal will easily displace a less reactive metal from the compound
36
example of a word equation
Magnesium + copper sulfate -----> magnesium sulfate + copper
37
what are the components of reactivity testing
the metal and there salts eg. magnesium sulfate and magnesium
38
how do you know which metal is most reactive
you will do the test and the metal that has the most ticks will tell you which one is more reactive
39
What is a alloy
a mixture of 2 elements one of which has to be a metal
40
how can you tell is seething is a alloy
it normally has different properties then the metal it contains
41
what are some examples of alloys and there metals
Brass is the alloy Copper and Zinc are the Alloys Brass Is normally used for hinges and electrical plugs
42
what does it mean if a reaction is slow
there is a low rate of reaction
43
what happens when the reaction time is fast
there is a high rate of reaction
44
what are two ways to rate a reaction
1. measure the rate at which a reactant is used up | 2. Measure the rate at which a product is formed
45
how to increase the reaction time
the temperature increase the concentration of a dissolved reactant is increased solid reactants are broken into smaller pieces A catalyst is used
46
why do some reactants not happen
because the particles did not collide
47
what is the minimum energy for particles to react
activation energy
48
How to change concentration or pressure
there are more reactant particles in the same volume there is a greater chance of the particles coliding the rate of the reaction increases
49
How to change particle size
the surface area increased more particles are exposed to the other reactants there is a greater chance of the particles colliding The rate of reaction increases
50
what happens when changing the temperature
The reactant particle move more quickly More particles have the activation energy or greater the particles collided more often, and more of the collisions result in a reaction The rate of reaction increases
51
What do Catalyst do?
Catalyst increase the rate of reaction by lowering the activation energy needed
52
Common catalyst
Iron- Making ammonia from nitrogen and hydrogen Platinum- Making Ammonia from nitrogen and hydrogen Vanadium oxide- Making Sulphuric Acid
53
what is electricity
Electricity is a movement of electrons
54
what is static charge
Static charge is electric charge that Is not motion
55
what does not let electrons pass through
insulators
56
what can become stronger when. iron core is placed inside
electromagnet
57
TRUE OR FALSE- All magnets are conductors
TRUE
58
TRUE OR FALSE- Gasses are insulators
TRUE
59
What are 2 exampled of semi conductors
Silicon and Carbon
60
What reduces the flow of current
Resistance
61
TRUE OR FALSE- Transistors can act as amplifiers of electric signal
TRUE
62
when reducing BLANK what increases the flow of current
resistance
63
What is transferred through conduction
Electricity
64
What turns alternating current into direct current
a diode
65
What slows down electric current
A resistor
66
what is the power source of a circuit
Voltage
67
What is a flow of charges
Electric Current
68
What is the difference between parallel and series circuits
more energy will be stored in parallel circuits instead of series because there are more places to go.
69
What charges attract
Opposite eg. North and south magnets or red and blue
70
TRUE OR FALSE- Conductors have a low resistance
True
71
what type of wires offer a high resistance
Long and Thin
72
TRUE OR FALSE- Electric fields are associated with a magnetic field
TRUE
73
Need to know
Parallel circuits are good for house because one light switch is off other lights can be operated independently
74
What will conduct electrons away from your body when touching it
Metal
75
TRUE OR FALSE- Series circuits are brighter then parallel circuits
FALSE
76
TRUE OR FALSE-Induction is the transfer of current through indirect contact
True
77
What transfers electricity by friction
Rubbing
78
What converts electrical energy to mechanical energy
Energy conversion Motor
79
What does a energy conversion generator do?
converts mechanical energy into electrical energy
80
Does the red side of one magnet connect to the red side of another magnet
No it connects to the opposite color
81
What are two examples of objects that use electromagnets
Headphones and MRI Machines
82
what is a 2v battery
a battery that gives you 2 joules of energy in every column charge

Biology, Chemistry, and Physics (1 decks)

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