For Lower Secondary: Biology: Topic: Brief description of Blood and its 4 components. Links to educational videos both in English and French have been added.

1. Blood & Its
4 Components
Disclaimer: All pictures are
borrowed from the internet.4/16/2020B. Surnam 1

2. Types of blood cells
 Name the three types of blood cells.
 1.________________________
 2._________________________
 3._________________________
 There are 5 types of White Blood
cells. Name them.
 1.___________________________
 2.___________________________
 3.____________________________
 4.____________________________
 5._____________________________
4/16/2020B. Surnam 2

3. Functions of Red blood cells
No nucleus
Question: The red blood cells have 2
main functions. What are they?
1._______________________________
_________________________________
2._______________________________
________________________________
4/16/2020B. Surnam 3

4. Functions of White blood cells.
CONTAIN
NUCLEUS
INFECTIOUS
DISEASES AND
INVADERS
PROTECTS
4/16/2020B. Surnam 4

5. Functions of Platelets
 Clot the Blood so will prevent
more blood loss.
 Clot the Blood so an insoluble scab
is formed. This will prevent the
entry of harmful bacteria that can
Infect the wound or cause diseases
Question 1: John has fallen down and hurt his knee.
How will the platelets in his blood help him stay
healthy?
________________________________________________
________________________________________________
________________________________________________ 4/16/2020B. Surnam 5

6. Functions of Plasma
 Plasma is the liquid part of blood.
 Question 1: Plasma is an
important component of blood.
Name 3 functions of plasma.
1._____________________________
_______________________________
2.______________________________
________________________________
3.
________________________________
________________________________
Transports blood
cells
Carries nutrients
and wastes
Maintains water
content and body
temperature
4/16/2020B. Surnam 6

7. Additional Resources
Videos in English
 https://www.youtube.com/watch?
v=vVOzKrcTNis
 https://www.youtube.com/watch?
v=Lsz2oEWbNmQ
 https://www.youtube.com/watch?
v=CWFyxn0qDEU&t=13s
Video en Français
 https://www.youtube.com/watch?
v=aXCD350q9lI&t=88s
 https://www.youtube.com/watch?
v=yYHxX5nS_tI
 https://www.youtube.com/watch?
v=0LcfCIHBJbc
4/16/2020B. Surnam 7

8. References
 https://commons.wikimedia.org/wiki/File:Red_blood_cell.png
 https://www.google.com/url?sa=i&url=https%3A%2F%2Fpixabay.com%2Fvector
s%2Ftruck-lorry-transport-red-vehicle-
156106%2F&psig=AOvVaw2Fu9VkOvA8Lf6ot_QgGNkT&ust=1587133471766000&
source=images&cd=vfe&ved=0CAIQjRxqFwoTCNCkqJKT7egCFQAAAAAdAAAAAB
AD
 https://www.123rf.com/photo_127327901_stock-vector-components-of-
blood.html
 https://www.vectorstock.com/royalty-free-vector/cartoon-blue-small-truck-
vector-11804794
 https://www.shutterstock.com/video/clip-16754461-co2-carbon-dioxide-3d-
rendered-model-isolated
 https://commons.wikimedia.org/wiki/File:Blausen_0909_WhiteBloodCells.pn
g 4/16/2020B. Surnam 8

9.  https://publicdomainvectors.org/en/free-clipart/Screaming-
soldier/62233.html
 https://www.abc.net.au/news/science/2018-10-31/skin-wound-healing-
tissue-regeneration-blood-stem-immune-cells/10434056
 https://www.dreamstime.com/stock-photo-scab-leg-close-up-image79487441
 https://www.dreamstime.com/fresh-frozen-plasma-bag-blood-rubber-tube-
called-fresh-frozen-plasma-ffp-white-background-image108811209
4/16/2020B. Surnam 9

10. Thank you
4/16/2020B. Surnam 10