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BIOLOGY – Ch 38(Circulatory and Respiratory systems)
________________________________________________________________________
Cardiovascular system – connects the muscle and organs of the body through an
extensive system of vessels that transport blood.
Blood vessels
(Refer to picture in packet)
Lymphatic system – collects and recycles fluids leaked for the cardiovascular system
and is involved in fighting infections. It is made up of lymphatic vessels and lymph
nodes. Lymph tissue maybe found in places including thymus, tonsil, spleen, and bone
marrow.
Immune cells in the lymph nodes and lymphatic organs help defend the body against
bacteria, viruses, other infecting microbes and cancerous cells.
Components of blood
PlasmaIt may contain water, metabolites and wastes, salts(ions), proteins etc.
Blood cellsRed blood cells(
)–
AnemiaWhite blood cells (
Platelets(
Blood clotting cascade
((Refer to picture in packet)
Hemophilia –
)-
)-
ABO blood group system
Primary blood groups-A, B, AB, O
Blood
type
A
B
AB
O
Antigen on red blood
cell
Antibodies in
plasma
Can receive blood
from
Can donate blood
to
Rh factor
People with the Rh protein are ___________ and people without the protein are
___________.
HEART
There are 2 separate circulatory loops
(Refer to picture in packet)
Circulation of blood
(Refer to picture in packet)
SA node
(Refer to picture in packet)
Blood pressure –
Systolic – when heart contracts
Diastolic –when heart relaxes
120/80 mm of Hg
Hypertension –
Heart attackStroke-
THE RESPIRATORY SYSTEM
(Refer to picture in packet)
Inhalation & Exhalation
(Refer to picture in packet)
Gas transport
(Refer to picture in packet)
Oxygen transport
Carbon dioxide transportCarbon dioxide is carried in blood in 3 forms – blood plasma, attached to hemoglobin
molecules, and majority as bicarbonate molecules
Respiratory diseases
AsthmaEmphysemaLung cancer-