WorksheetsCirculatory Functions/Key Knowledge
Total questions: 48
Worksheet time: 25mins
all multicellular organisms have a
circulatory
vascular
most animals have a
vascular system
circulatory
main functions of the circulatory system
transport gases, nutrients, and waste material
be able to pump blood constantly
regulate internal body temp and transport chemical substances
protect against blood loss from injury and against disease causing mircofiber/toxin
the heart structure defintion
fluid medium that transports vital componets
a system of tubes through which the fluid medium can travel
is the muscle that pumps oxygen
muscular organ acting as the pump
blood vessels defintion
a system of tubes through which the fluid medium can travel
where blood is stored
the fluid medium that transports vital components
makes the blood slow down
blood defintion
a system of tubes through which the fluid medium can travel
a fluid medium that transports vital components
unicellualr organisms have...
no blood
blood
open transport system
the blood is pumped around the body within a network of blood vessels and it does not bathe the cells directly
the blood does not always stay contained within the blood vessels
closed transport system
the blood does not always stay contained within the blood vessels
the blood is pumped around the body within the network of blood vessels and it does not bathe directly
single transport system
blood mixes
blood enters and exits
no mixing of deoxy and oxy blood
blood goes from the lungs to the body and is passes twice
complete transport system
no mixing of deoxy and oxy blood
mixing of dexoy and oxy blood
blood enters and exits
blood mixes
double transport system
blood enters and exits
blood mixes
mixing of deoxy and oxy blood
into and out of heart 2x per cycle
incomplete transport system
blood does not mix
blood mixes
enters and exits 3x per cycle
our body system is
open double complete
closed complete, double circ
closed simple, double cic
open incomplete, doubel circ
3 primary cycles
cardiac circulation (within the heart)
Pulmonary circulation (within the lungs)
Systematic circulation (within the body)
the circ system has 3 main elements...
a transport medium
transport arteries
pumping mechanism
transport vessels
3 main blood vessels
arteries
capillaries
veins
pulmonary veins
arteries
transport blood to the heart
are the site of gas exchange
transport blood away from the heart
veins
transport blood to the heart
transport blood away from the heart
are the site of gas exchange
capillaries
transport blood away from the heart
are the site of gas exchange
transport blood to the heart
arteries are...
thick, musculative, very elastic
thin walled, not as elastic and have valves
veins are
very elastic
not elastic
true or false: capillaries are the smallest of the blood vessels
Yes
No
Blood is comprised of
55% plasma or fluid and 45% cells
45% plasma or fluid and 55% cells
50% plasma or fluid and 43% cells
43% plasma or fluid and 50% cells
of the 45 or 44 percent of red blood cells how much is white blood cells
2%
8%
1%
10%
rbc are called
arythocytes
rich blood cells
erythocytes
rbc are specialzed for
oxygen transport
fighting diseases
moving blood to the heart
True or false: rbc have a nucleus
Yes
No
rbc are filled with
homoglobin
hormones
leuocytes
hemoglobin
wbc are also called
leuocytes
erthocytes
2 types of white blood cells are
macrophages
lacrophages
lymphocytes
marcocytes
macrophages...
build up immunity
help blood clotting
help oxygen move throughout the blood
engulf/digest pathogens
lymphocytes are...
immune response which enables the body to recognize and fend of specific pathogens
engulf pathogens
keep the body at the same internal temp
all of the above
platelets are
bigger white/red cells mixed
not cells, they are fragments
what do platelets do
allow the body to keep a strong immune system
blood clotting
transport blood
remove toxins
the constriction of blood vessels are called
vasodiliation
vasoconstriction
the dilation of blood vessels are called
vasodilation
masrodilation
vasoconstriction
the heart is divided into... chambers
2
3
4
7
blood enters through the ... and leave via
ventricle, atria
vein, ventricle
atria, ventricle
ventricle, vein
true or false: both the atria and ventricle contract at the same time
yes
no
the atria has
no walls
think walls
thick walls
ventricles have
no walls
thick walls
thin walls
the right AV valve is
tricuspid valve
bicuspid valve/mitral valve
the left AV valve is
tricuspid valve
bicuspid/mitral valve
the amount of blood pumped by the heart is called
depolarization of the atria
ventricle output
cardiac output
stroke volume
the amount of blood forced out of the heart with each heartbeat
the volume of the blood
the amount of blood in the heart
the amount of blood coming into the heart in every heart beat
blood pressure
the blood in your heart coming in/out
how fast the blood travels
the dilation of blood
increased blood pressure under normal conditions is a result of a need for increased blood flow or O2
true or false:blood pressure that is normal should be 110/80
yes
no
