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Science Final Exam


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Percent of Oxygen Exhaled
The outer skin.
Mountain which one has less dense air bottom or top?
Top because the particles are further apart
Number of bones in human body?
Cirrculation System
Movement of blood through heart and body
Define Electricity
flow of electrons
Importance of White Blood Cells
defending cells against deaise
Plasma Membrane
a thin membrane around the cytoplasm of a cell
Pure Air vs. Un-pure air
theirs pollen, dust, water vapor, germs
a negatively charged electrode that is the source of electrons in an electrical device
Amount of CO2 in air in the summer versus the amount in the winter
More CO2 in the winter becuase in the winter the tree don't take in the CO2 but in the summer they do
bone brittleness disease caused by osteoblasts' failure
Are Body cells the same?
No they are different
a positively charged electrode by which electrons leave an electrical device
a blood vessel that carries blood from the heart to the body
electrical energy
energy made available by the flow of electric charge through a conductor
Common Uses for argon
Light Bulbs, Welding
Cloud cirrus
Light Wispy or Curly made of Ice Crystals
Lymphatic System
the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
Define Semi-Conductor
controlling amount of electrons going through
Immune System
a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
Bone Marrow
the fatty network of connective tissue that fills the cavities of bones
reinforce capsule, connect bone to bone
Debenifit of Steriods
get opposite sex hormones
Why do we sweat?
Sweating cools the body by putting a layer of liquid on the skin.
Define Conductor
letting electrons through
All the gases in the universe
Percent of Oxygen in Atmosphere?
thin-walled microscopic air sacs that exchange gases
Are bones dead or alive?
Alive they grow bigger as you do
Do veins carry blood away from or toward the heart?
To the heart
Heimlich Maneuver
an emergency procedure to help someone who is choking because food is lodged in the trachea
Define Nimbus
Dark Clouds, Giant and Puffy
How does the Cranium get bigger?
By taking off the inner layer and building out the outer layer
Describe the movement of particles for Gas
Particles move fast but not the fastest
Describe the movement of particles for Soild
Particles move the slowest
Density of Water
Define Insulator
not letting electrons through
Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body.
Cloud Cumulus
Puffy and Piled Up
to and from the heart
Smooth muscle tissue is located in the walls of hollow internal structures such as blood vessels, the stomach, intestines, and urinary bladder
the amount of 3-dimensional space occupied by an object
Why is it more difficult to breath on top of a mountain?
It is becuase the air particles are further apart being so high up
Importance of Red Blood Cells
They transport oxygen and CO2
Common Uses for helium
Balloons, Low temp cooling systems
Example that Oxygen dissolves in water
Plants and Animals
Reproductive System
organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring
What words do we use instead of dissolves to describe water randomly
evaperate, steam
Percent of Nitrogen inhaled
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color
15 psi
How much air is pushing down on us ( 15 pounds per square inch)
a part of the cell containing DNA and RNA and responsible for growth and reproduction
Largest bone in the body?
Describe the movement of particles for Liquid
Particles move Medium
Percent of Oxygen Inhaled
Esophagus Air or Food
Liquid used to detect the presence of CO2 is
Browwn Thimal Blue
proper name for blood sugar
Muscular System
a organ system that moves your body, and helps it perform functions, three types of muscle, smooth, skeletal, and cardiac
the organelles in which nutrients are converted to energy
Where did Hindenburg fly?
Germany and the USA
Skeleton System
an internal or external framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant
Is our breath mostly CO2 when we exhale?
Yes we breath out a 100 more times than we breath in
diaphragm importance in breathing
Becuase it allows us to breath and also lungs to fill up with air
Example that CO2 dissolves in water
soft drinks
Respiration Formula
Glucose+Oxygen = Heat+Water+CO2
Example that solids dissolve in water.
Salt or Sugar
Common Uses for hydrogen
used to fly stuff, rocket fuel
Why do they die?
If they don't get oxygen and have too much carbon dioxide they will die
tissue that's more flexible than bone
A heart chamber that receives blood.
opposite of gravity it pushes stuff up
Why do we shiver?
Shivering tightens the skin and shakes the muscles, a process that conserves and generates heat.
Partial Vacuum
almost nothing
to and from the lungs
Cardiac muscle tissue forms the bulk of the wall of the heart.
Example of ball and socket joint
Hip joint
obstructive pulmonary disease, overexpansion of the alveoli with air and destructive changes in their walls resulting in loss of lung elasticity and gas exchange
Number of rooms or chambers in the heart
Photosynthesis Formula
Where are red blood cells made?
Bone Marrow
Body Tempature
Pigment in our skin that protects us from ultraviolet rays?
Ozone layer
the act of cracking something
Why must we breath constantly
so that Oxygen can get to every cell and take away the CO2
Common Uses for CO2
Dry ice, Liquid Refrigerant
Is our blood ever blue?
How does oxygen and glucose get to everyone of the trillions of cells in our body?
By going through the blood stream in vains and arterys
Which is worse? lst 2nd or 3rd degree burn
3rd degree burn
a solution that conducts electricity
Trachea Air or Food
Benifit of Steriods
can exerise more than ounce a day
Common Uses for nitrogen
Bombs, Laughing Gass
is moving stuff with you mind (he moved bubbles)
Realtionship between Buoyancy and density
the less dense the more bouyant
Billionth of a meter
diaphragm importance in breathing
The diaphram
Gases in Air
Hydrogen,Oxygen,Helium,Nitrogen,CO2, Carbon Monoxide, Argon
Example of hinge joint
shoulder joints
Percent of Nitrogen exhaled
Compound Fracture
bone fracture associated with lacerated soft tissue or an open wound
that part of the central nervous system that includes all the higher nervous centers
Compare human respiration to photosynthesis
Almost everything does respiration but only plants photosynthesis
Cardiac Coronary Heart Attack
= the same thing
Respiratory System
the system for taking in oxygen and giving off carbon dioxide
3 types of Muscle
cardiac, smooth, sketal
Gas In Hindenburg?
chemical energy
produced by or used in a reaction involving changes in atoms or molecules
Why dosn't the air float off?
Becuase Gravity keeps it down
What happens when we don't sweat?
We would over heat
the process of extracting moisture
Example that water dissolves in air.
Water Vapor
Compare breathing to respiration
Breathing is how repiration starts
water in the atmosphere that falls to Earth as rain, snow, hail, or sleet
Muscles work in pairs - Why does this make sense?
Becuase in the arm one of the muscle must contract while the other one contrasts
of or involving electrochemistry
the amount of matter in an object
Nervous System
the sensory and control apparatus consisting of a network of nerve cells
Suction: Explain why the word suction is misleading
Becuase it is isnt sucking it is really being prushered no being sucked
All water in the universe
Dry Ice
= solid carbon dioxide
How much does a gallon of water weigh?
8 lbs
Densitys Formula
M/V= D
A measure of the amount of mass per unit of volume
the longest and thickest bone of the human skeleton
Bromthymol Blue is an indicator for what substance?
Carbon Dioxide
Percent of CO2 exhaled
The difference between a Heart Attack and Stroke
Heat Attack can be a clog between anywhere and the body but Stroke is clogged between the heart and Brain
a chamber of the heart that receives blood from an atrium and pumps it to the arteries
Atomic structure of insulator versus conductor
the insalator is held more tightly toward the nucleaus while conducotrs are held less tight
a cord or band of inelastic tissue connecting a muscle with its bony attachment
Example that air dissolves in water.
Becuase Fish can breath
Mouse and plant in bell jar. What does it prove?
That the mouse gave off CO2 and the plant gave off oxygen and they ended up living
Define Battery
An electron pump
Two reasons why carbon dioxide used in fire extinguishers?
One cant support a flame, CO2 sinks because it has a greater density
Largest Artery in the Body?
The Arroa
Cloud stratus
Thin Wispy Sun can shine though, flat at bottom fluffy at top
Percent of CO2 inhaled
Why dosnt the water poor out with paper on lid
because there is no air in the bottle and their is 15 psi pushing up and pushing on each side
Cheat source of Vitiman D
light energy
a form of energy that makes it possible for us to see.
Why does dry ice slide across a table easily?
Becuase it is a gas gliding across the table
materical inside the cell membrane, but no including the nucleus
WHich gas is Bouying up hot air balloon?
The cold air pushes up the hot air in the balloon
Circulatory System
the organs and tissues involved in circulating blood and lymph through the body
insoluble pigments that account for the color of e.g. skin and scales and feathers
Where did atoms come from?
The sun
Skeletal muscle tissue is named for its location - attached to bones
the product of vaporization of a solid
Excretory System
the system that removes waste from your body and controls water balance
the process of changing from a gaseous to a liquid or solid state
Describe the movement of particles for Plasma
Particles move the fastest
Common Uses for nitrogen oxide
Laughing Gas and Cars
the deep vascular inner layer of the skin
a narrow deposite of mineral that is sharply different from the surrounding rock
heat energy
a form of energy that is transferred by a difference in temperature
Digestive System
the system that makes food absorbable into the body

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