Blood Tissue And The
Circulatory System .
3 consists of 1. blood tissue
2
. blood vessels
.
3 The heart .
Blood
consists of cells separated
- by liquid .
blood
Body contains 52 : tissue is a connective tissue Has protein dissolved
in it to thicken it .
↳ Bonel
In blood tissue the
liquid is called plasma .
has much protein
so
cartilage
,
making it solid .
Plasma =
55 % of blood .
cells =
45 % of blood .
&
3 1 (red blood
main
types
:
Erythrocytes cells)
3
.
2
.
Leucocytes (white blood cells) made from
bone marrow
(platelets) Stem
.
3
Thrombocytes cells .
&
·
Functions of Blood un differentiated
cells can become
:
any
of cell
1. Transport substances around the
body rype .
-
nutrients that have diffused into blood from intestines .
-
gases :
oxygen fromlungs body to
function .
- Hormones : to
organs where they
Fight infection
.
2
↑
3
. temp)-blood
Thermoregulation
So heat can be lost and
(maintenance
narrow to keep blood
of a
away
constant
from surface
body
of the Skin . I
vessels widen
4
. Clot formation
~
Hydraulic functions : restriction of blood in tissues to harden them .
Blood Plasma in which suspended substances
a
yellowish liquid and
: cells are
a re transported .
, cells)
Erythrocytes (Red blood
S
contain
Live 70-96
days a red
Pigment Can iron
containing protein
-
it to be transported in blood .
called
haemoglobin .
Oxygen binds to
-
biconcave disc
oxygenated haemoglobin =
bright red
bone
made in marrow
deoxygenated haemoglobin dull red .
-
=
& ead red blood cells are broken down in the liver , spleen and bone marrow
3 the is stored and
iron from
haemoglobin
~ he protein is turned into bilirubin .
(yellowish colour) .
What is bile used for ?
-
This also occurs when blood is broken down in
- ruises is released into
(gives the
yellow colour) . Some bilirubin
intestines part of bile which their brown colour .
as ,
gives faces
far separation
Emulsify by separating
-
E Plasma (55 %
If
of blood)
molecules that be broken down 91 % Water
cannot
--
-
-
7 % proteins
2 % Nutrients hormones
-
, ,
electrolytes .
into monomers
by enzyme acriving .
Cells (45 % of blood)
Bessy coar :
concocytes
:
platelers
I Red blood cells .
lencocytes (white blood cells)
-
Made in bone marrow
Function infection to not
Fight recognising whether cells belong by the
-
: - a person or
presence of protein
sticking our the cell membranes. If they are
foreign , antibodies are made
in the shape of these proteins latch the
,
they on to cell and mark it for destruction .
Phagocytosis the white blood cells to
digest invaders that have
:
process whereby are able
been marked for destruction .
Circulatory System .
3 consists of 1. blood tissue
2
. blood vessels
.
3 The heart .
Blood
consists of cells separated
- by liquid .
blood
Body contains 52 : tissue is a connective tissue Has protein dissolved
in it to thicken it .
↳ Bonel
In blood tissue the
liquid is called plasma .
has much protein
so
cartilage
,
making it solid .
Plasma =
55 % of blood .
cells =
45 % of blood .
&
3 1 (red blood
main
types
:
Erythrocytes cells)
3
.
2
.
Leucocytes (white blood cells) made from
bone marrow
(platelets) Stem
.
3
Thrombocytes cells .
&
·
Functions of Blood un differentiated
cells can become
:
any
of cell
1. Transport substances around the
body rype .
-
nutrients that have diffused into blood from intestines .
-
gases :
oxygen fromlungs body to
function .
- Hormones : to
organs where they
Fight infection
.
2
↑
3
. temp)-blood
Thermoregulation
So heat can be lost and
(maintenance
narrow to keep blood
of a
away
constant
from surface
body
of the Skin . I
vessels widen
4
. Clot formation
~
Hydraulic functions : restriction of blood in tissues to harden them .
Blood Plasma in which suspended substances
a
yellowish liquid and
: cells are
a re transported .
, cells)
Erythrocytes (Red blood
S
contain
Live 70-96
days a red
Pigment Can iron
containing protein
-
it to be transported in blood .
called
haemoglobin .
Oxygen binds to
-
biconcave disc
oxygenated haemoglobin =
bright red
bone
made in marrow
deoxygenated haemoglobin dull red .
-
=
& ead red blood cells are broken down in the liver , spleen and bone marrow
3 the is stored and
iron from
haemoglobin
~ he protein is turned into bilirubin .
(yellowish colour) .
What is bile used for ?
-
This also occurs when blood is broken down in
- ruises is released into
(gives the
yellow colour) . Some bilirubin
intestines part of bile which their brown colour .
as ,
gives faces
far separation
Emulsify by separating
-
E Plasma (55 %
If
of blood)
molecules that be broken down 91 % Water
cannot
--
-
-
7 % proteins
2 % Nutrients hormones
-
, ,
electrolytes .
into monomers
by enzyme acriving .
Cells (45 % of blood)
Bessy coar :
concocytes
:
platelers
I Red blood cells .
lencocytes (white blood cells)
-
Made in bone marrow
Function infection to not
Fight recognising whether cells belong by the
-
: - a person or
presence of protein
sticking our the cell membranes. If they are
foreign , antibodies are made
in the shape of these proteins latch the
,
they on to cell and mark it for destruction .
Phagocytosis the white blood cells to
digest invaders that have
:
process whereby are able
been marked for destruction .
