Chapter 8.4: Functions of Blood Transportation medium carrying
various substances Protection against injuries and foreign bodies
Background for the following slides are taken from
http://www.fi.edu/learn/heart/blood/red.html
Slide 2
Composition of Blood Fractionation of Blood Right Image taken
from: www.health.uab.edu/13921/www.health.uab.edu/13921/
Slide 3
State the two purposes and the process of blood clotting.
Explain the role of white blood cells in phagocytosis and antibody
formation. Learning outcomes Background for the following slides
are taken from http://www.fi.edu/learn/heart/blood/red.html
Slide 4
Painful memories Locate a visible scar on your body. How did
you get that scar? Left student Right student YOU
Slide 5
Healing process What did you experience? What are the two
things that you will most likely grab from a first aid box?
Background for the following slides are taken from
http://www.fi.edu/learn/heart/blood/red.html
Slide 6
Each time you cut yourself, you will notice.... Flow of blood
stops after while. Blood solidifies Swelling and yellow pus. Heal
after weeks or days later Background for the following slides are
taken from http://www.fi.edu/learn/heart/blood/red.html
Slide 7
Blood is exposed to air...... Platelets activated When blood
vessels are damaged...... White blood cells destroys foreign
particles Background for the following slides are taken from
http://www.fi.edu/learn/heart/blood/red.html
Slide 8
Platelets Irregular shape No nuclei Two purposes of blood
clot
Slide 9
Blood clotting process produce + Calcium ions 1 3 2 Damaged
blood vessel wall and platelets Thrombokinase (enzyme) Prothrombin
(inactive) Thrombin (active) Insoluble fibrin form a mesh to trap
blood cells Fibrinogen c cc
Slide 10
Health helpline Q: I often press my wound with piece of tissue
paper, do you think it really help? v The pressure applied may stop
the blood flow but do you think the tissue is really clean?
Background for the following slides are taken from
http://www.fi.edu/learn/heart/blood/red.html
Slide 11
What if some microbes get into the wound? White Blood Cell/
Leucocytes Phagocytes Lymphocytes
Slide 12
Phagocytes Lymphocytes Engulf & digest bacteria Produce
antibody against bacteria Background for the following slides are
taken from http://www.fi.edu/learn/heart/blood/red.html
Slide 13
Summary Fractionation of Blood Background for the following
slides are taken from
http://www.fi.edu/learn/heart/blood/red.html
Slide 14
Evaluation Time! Explain the two purposes of blood clot? Name
the two enzymes that are involved blood clotting process. What are
the 2 types of white blood cells and how do their nuclei look like?
Name the two processes in which white blood cells help to remove
microbes.
Slide 15
Background for the following slides are taken from
http://www.fi.edu/learn/heart/blood/red.html Arteries Blood CHAPTER
8: TRANSPORT SYSTEM IN MAMMALS Lymphatic System consists of is
divided into chambers VenulesCapillariesArterioles Ventricles pumps
deoxygenated blood into the lungs Atria Components Red blood cells
White blood cells Platelets Plasma join up to formbranch into Heart
rightleft pumps oxygenated blood to the rest of the body receives
deoxygenated blood from the rest of the body receives oxygenated
blood from the lungs Blood Circulatory System Blood vessels Veins
rightleft branch intojoin up to form Next Lesson: Read up
circulatory system. Bring your textbook and workbook. Circulates
from Heart to lungs and back (pulmonary circulation) Heart to the
rest of the body and back (systemic circulation) Adapted from
Copyright 2006-2011 Marshall Cavendish International (Singapore)
Pte. Ltd.
Slide 16
References Background photo is taken from:
http://www.fi.edu/learn/heart/blood/red.html accessed on 25th
September 2008. Pictures from:
http://library.thinkquest.org/25896/sub_blood/c lot.htm accessed on
20 October 2008.