ICSE − Q & A

guys have some doubts
1) what is the biological term for open circulatory system
2) why does the hepatic vein have lowest concentration of red blood cells per unit volume
2) is the technical term for providing immunity immunisation or prophylaxis
3) during secreation of adh does vasoconstriction takes place so that more blood can be sent to kidneys as selective reabsorption is a ATP demanding process?

How are the brain cells arranged in the cerebrum? should we state about white and dark matter or gyri and sulci?

Pls give ans to these questions asap:
1. Device used to check bleeding,
2.substance used to neutralise poison,
3.two chemical leading to formation of ozone,
4. Are there any disorders due to oversecretion and undersecretion of adrenaline?( if this is not in syllabus pls ans by mentioning NIS)

DEFINE: 1)Algal bloom
2)biomagnification
3)Eutrophication

Can any1 plz tell imp. Diagrams ?
Can they also give us to draw?

+ 2 more questions by skshooda  

What is the stimulus in case of reflex action: Tying shoe laces while talking and not on knowing whether we put left lace or right lace up?
asked by Satendra singh (skshooda) 7 years ago
1

Why are arteries situated deep? Is it due to high pressure of blood (oxygenated)
asked by Satendra singh (skshooda) 7 years ago
1

pollution is a important chap???????

Guys I have completed with whole bio .
But I am yet afraid of reproductive system.
Please tell me most effective way to revise that chap.

Structure which starts and ends in capillaries...do we write portal vein ya hepatic portal vein?

http://www.respaper.com/anurag45/9987-pdf.html?ln=13&ov=1 Q5bi-3 
Is it chloroplast?

Is smiling a reflex?