Save
circulatory system
Save
Share
Learn
Content
Leaderboard
Learn
Created by
Victoria Do
Visit profile
Cards (54)
the heart has
four
chambers, two
atria
(
upper
) and two
ventricles
(
lower
)
what are the functions
1. regulates
temperature
2.
removes
waste
products
including carbon dioxide
3
carries
materials (food, water, oxygen) in the blood to body's cells and
tissues
blood vessels -
arteries
,
veins
,
capillaries
heart - pumps
blood
around the body
muscles -
contract
to pump blood through the
vessels
valves
- prevent backflow of blood
arteries
- carry oxygenated blood away from the heart at high pressure
capillaries
- tiny tubes that connect
arteries
and
veins
veins
- return deoxygenated blood back to the heart
oxygenated blood is bright red because it contains
oxygen
blood components ->
RBC
,
WBC
,
plasma
,
platelets
plasma is mostly
water
and carries
nutrients
,
hormones
,
waste
products, etc.
platelets
clot blood when there's an injury
veins
- blood flows from
body
then to
heart
then to
lungs
veins have valves to stop blood from running wrong way
largest artery is the
aorta
, connected to the
heart
and picks up
oxygenated
blood from the
left
ventricle
only artery that picks up deoxygenated blood
pulmonary
artery
smallest blood vessel
capillary
arteries divide down to _
capillaries
only veins that take oxygenated blood from the lungs to the heart
pulmonary
veins
blood is (roughly) made up of
55
% plasma, <1% WBC and platelets, 45% RBC
erythrocytes
RBC
the function of red blood cells is to deliver
oxygen
around the body via
haemoglobin
protein and transport waste back to
lungs
to be
exhaled
red blood cells are produced in
bone marrow
and have a life cycle of
120
days
white blood cells scientific name is
lymphocytes
the function of white blood cells are
healthy immune function
, and
supporting
different
immune responses
WBC make up less than
1%
of blood volume
the scientific name for platelets are
thrombocytes
platelets are the smallest of blood
cells
function of platelets are to
respond
to blood vessel signals and
travel
to the affected area to
transform
into active
formation
plasma is formed from
water
and
salts
absorbed through the
digestive
tract
diffusion
Distributes
oxygen
around the
tissues
and
cells
of the body while getting rid of
carbon dioxide.
(
GAS EXCHANGE
)
heart rate
The rate your
heart
beats. Usually per
minute
maximum
heart rate
The maximum rate of what your
cardiovascular
system can handle during
physical
activity.
Stroke Volume
The
volume
of blood that pumps
out
of the left
ventricle
each beat
Cardiac Output
- The measured amount of blood that your heart pumps per minute.
arteries
Carry
blood
from the
heart
to other
parts
of the
body
veins
Returns
oxygen-poor
blood back to the
heart
capillaries
Tiny blood
vessels
that transport
blood
,
nutrients
and
oxygen
through different
body
systems.
haemoglobin
A
protein
inside
red
blood cells that transports
oxygen
from
lungs
to
organs
and
tissues
throughout the body.
See all 54 cards