transportation
DESCRIPTION
Transport of nutrients in plants and animalsTRANSCRIPT
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Starting Point Activity
Draw the flowering plantLabel the parts and brainstorm everything you know about each part
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Flower
Leaf
RootRoot hair
Stem
reproductionphotosynthesissupporttransportanchorabsorb
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Measuring the rate of transpiration in a leaf
The potometer
Set up the potometer as demonstrated.
Every 10 minutes or so record how much water has moved through the leaf
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Water transport in plants
Find out what the following vessels do:
Xylem
Phloem
How does water get into the plant?
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Root hair cells
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root hair
root cortex
xylem
mesophyll
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Xylem
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Phloem
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Review - The journey of water from the root to the leaf
root hair
root cortex
xylem
mesophyll cells
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Capillary action
adhesioncohesion
How water travels in the xylem
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Transpiration
Water evaporation from leaf
How do we alter the rate of transpiration?
Transpiration
Stomata
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Key wordsCohesionAdhesiontranspirationevaporationxylemwater droplet
How does water move from the root to the leaf?What makes this happen faster?
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More sunlight gives more evaporation
Transpiration increases
More humidity gives less evaporation
Transpiration decreases
Sunlight
Humidity
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Wind
More wind gives more evaporation
Transpiration increases
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Cross section of a leaf
waxy cuticle
upper epidermis
lower epidermis
xylem
phloem
guard cell
stoma (stomata)
spongy mesophyll
pallisade mesophyll
guard cell
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Higher tier:
Translocation - the movement of sucrose and amino acids in the phloem from regins of production to regions of storage
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Transport in humans
Topics covered• The heart• Blood vessels• Blood• Moving substances in the blood• A healthy heart
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Starter:
What happens to surface area : volume?
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We need a transport system!
Central heating what do we need?
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atrium atrium
pulmonary artery
vena cava
valve
valve
ventricle ventricle
valve
valve
pulmonary vein
aorta
muscle
to lungs to body
from bodyfrom lungs
muscle
LEFTRIGHT
The heart
septum
BicuspidTricuspid
semilunarsemilunar
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The heart
atrium atriumpulmonary artery
vena cava ventricleventricle pulmonary vein
aorta
LEFT
RIGHT
septum
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septum
septum
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Plenary:
Label the heart diagram and explain the role of the following:
Right atriumRight ventricleLeft atriumLeft ventricle
Describe the difference between blood on the left side and right side of the heart
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http://uk.video.search.yahoo.com/video/play;_ylt=A2KLqImm8yZQp04APyB2BQx.;_ylu=X3oDMTBrc3VyamVwBHNlYwNzcgRzbGsDdmlkBHZ0aWQD?p=heart+valves+animation&vid=A189BE8F7A38434FC6FDA189BE8F7A38434FC6FD&l=1%3A27&turl=http%3A%2F%2Fts2.mm.bing.net%2Fvideos%2Fthumbnail.aspx%3Fq%3D4578805158903893%26id%3D9e00bf21616a86bb412f1f160c4d1139%26bid%3D%252fcZPQzh6j76JoQ%26bn%3DLargeThumb%26url%3Dhttp%253a%252f%252fvimeo.com%252f14393095&rurl=http%3A%2F%2Fvimeo.com%2F14393095&tit=ONX+Heart+Valve+Animation&c=6&sigr=10pvsh8u4&
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The heart dissection
SMART Document Camera
Ensure that a SMART Document Camera is connected and isn't in use in another application.
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Blood vessels
Form follows function.
Read the following passage and see if you can predict what the 3 types of blood vessels may look like.
Artery Capillary Vein
Transports blood from the heart under high pressure to the body
Allows gases and other substances to pass through to get to the cells
Brings the blood back to the heart and keeps blood flowing in one direction under lower pressure
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Artery
Vein
Capillary
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You must know the names for the following blood vessels:
Organ To FromHeart (Left)
Heart (Right)
Lungs
Liver
Kidney
Organ To FromHeart (Left) pulmonary vein Aorta
Heart (Right) Vena cavaPulmonary
artery
LungsPulmonary
arteryPulmonary vein
LiverHepatic portal
veinHepatic vein
Kidney Renal artery Renal vein
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Plenary:
Describe the journey of a blood cell as it travels through the circulatory system. Descirbe the structure of the system.
Investigate the elasticity of blood vessels using a elastic bands
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Blood!
Starter:
In groups, discuss -• What is the function of blood?• How would you design blood to do it's job?
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Objectives:
Know that
• Blood is made from several components, Red cells, White cells, Plasma and platelets
• The function of blood
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http://www.bbc.co.uk/schools/gcsebitesize/pe/appliedanatomy/0_anatomy_circulatorysys_rev4.shtml
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Component Role
Red blood cell
White blood cell
Platelet
Plasma
Contains haemoglobinthat transports oxygen
Contains chemicals that destroy bacteria and viruses
Fragments of cells thathelp form clots at site of wound
Watery yellow liquid that contains digested nutrients, waste from liver (urea), carbon dioxide, hormones
Transport
Defense
Transport
Defense
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Where do we go?
You have now looked at several topics about your body and health. Match the following words to the part(s) of blood concerned:
Red cells
White cells
Plasma
Platelets
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Red cells
White cells
Plasma
Platelets
amino acids
fatty acids
glycerol oxygen
carbon dioxide
water
sugar
bacteria
viruses
hormones blood clots
large proteins
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Higher tier:
The immune system
Antibody production
Tissue rejection
Phagocytosis
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1. Bacteria produce toxins (waste) that cause harm to your cells
2. They have a specific markers on their surface
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How does your body respond?
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Fighting Disease
• Consume the microbe• Produce antibodies to neutralise the microbe• Produce anti-toxins to neutralise the poisons
White blood cell
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MO invades body
White blood cell recognises shape on MO surface
Antibodies are made
The antibodies stick to the MO surface because they are the same shape
Another type of white blood cell recognises the antibodies and 'eats' the MO
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Only the correctly shaped antibody will fight each MO
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Investigate - The healthy heart
Recovery rate investigation
Theory:
The heart is made from muscle. All muscles need exercise if they are to stay healthy. The heart has it's own blood supply. If a person does not exercise and also eats too much fat, the heart will be weaker and also have to work harder to pump blood around the body. This puts strain on the heart.
A way of measuring how healthy someone is is to see how long their heart takes to recover after vigorous exercise.
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You need to know the following things:
• Starting pulse rate • How long it takes to recover to the
'resting' rate
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Time (s) Pulse Time (s) Pulse0-30 150-18030-60 180-21060-90 210-24090-120 240-270120-150 270-300
Pulse before exercise - resting rate
Time (s) Pulse Time (s) Pulse0-30 300-33030-60 330-36060-90 360-39090-120 390-420120-150 420-450150-180 450-480180-210 480-510210-240 510-540240-270 540-570270-300 570-600
Pulse after exercise
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Dependent
Independent
Pulse rate
Time
Bar chart or line graph?
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0-30
30-6
0
60-9
0
90-1
20
Bar vs Line
0-30
30-6
0
60-9
090
-120
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0
10
20
30
40
50
60
70
60 120 180 240 300 360
puls
e ra
te
time (s)xx resting pulse recovering pulse
0
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Conclusion:Analysing the data
What do your results show you?Can you refer to your results?
My reults show that as..........
Evaluation: What could you do to improve your results?
My investigation was successful but I could make it better by.............
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Transporting blood
Starter:
What do you know about blood vessels?