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Official AQA Biology Unit 3 14th May 2013 NEW SPEC

Oh I put that on worked from the inside of the patient and one worked from the outside (iron ) but it's wrong ahhh, also advantage - not as much room taken disadvantage - could cause disese or the patient coud choke because there's a tube allowing a oath for pathogens.... whoops

Tadpole question??!!

Original post by WillowXxx

What did everyone put for the compare the photographs I kinda got stuck on that :no:

Oh! I got that the iron one changes the pressure of the thorax and the modern one changes the pressure of the trachea, not sure if thats right though?

(edited 10 years ago)

Reply 1043

sanil17

1

Original post by ahmed15

Was that the last question?

yeah the last 2

Reply 1044

C-king

6

Original post by sanil17

yeah the last 2

the second last one was on insulin, the second was on glucagon

Reply 1045

Heskey123

Original post by ahmed15

Are u sure we have to talk about how the pancreas secretes glucagon, which makes the liver turn glycogen into glucose, thus increasing blood sugar concentration?

I would assume so, what else was there to say?

Reply 1046

bbadonde2

4

Original post by ahmed15

No because A started on the left hand side of the heart. Aorta is on left hand side of the heart. Vena Cava is on right. Im pretty sure of that

Look at this then:http://www.heart.com/the-human-heart.html
They should have indicated which side was which to be honest. They did not state whether it was you looking at your heart or if it was as someone else looking but my tutor who used to be an AQA examiner said always take it as being someone else looking at your heart

(edited 10 years ago)

Reply 1047

ahmed15

Original post by sanil17

yeah the last 2

Last one I talked about glucagon secreted by pancreas, makes liver turn glycogen into glucose, thus increasing blood sugar concentration

Reply 1048

C-king

6

Original post by bbadonde2

Look at this then:http://www.heart.com/the-human-heart.html
They should have indicated which side was which to be honest

they didnt have to, the side with the more muscle is the left hand side

Reply 1049

bbadonde2

4

I recken I got around 49/50, I hope I got more though.

Reply 1050

ahmed15

Original post by bbadonde2

Look at this then:http://www.heart.com/the-human-heart.html
They should have indicated which side was which to be honest. They did not state whether it was you looking at your heart or if it was as someone else looking but my tutor who used to be an AQA examiner said always take it as being someone else looking at your heart

The letter A was on the left hand side and was the aorta

Reply 1051

bbadonde2

4

Original post by C-king

they didnt have to, the side with the more muscle is the left hand side

Yes well most people in my school got my answers

Reply 1052

Funky Fish

1

[INDENT]For the last two questions I said that there was less Glucose as there was no food to absorb glucose from and then for the last one I put the pancreas detected the fall in glucose concs and released hormone for Liver cells to convert the Glucagon back into glucose thus there was more glucose coming back from the liver.

[/INDENT]

Reply 1053

RachelBx

Original post by bbadonde2

I recken I got around 49/50, I hope I got more though.