difference between pulmonary and ststemic circulation

difference between transportation and translocation

at least two points needed very urgently

Red blood cells have no nucleus, then why do we call them cells?

explain the process of blood circulation?

 HOW DOES BLOOD CIRCULATION OCCUR

What is meant by systemic and pulmonary circulation?

 name the organ from which oxygenated blood goes into heart.

 How  RBC had a life span of 120 days only i doesn't understand can u explain me

please explain cross section of root hairs

 WHAT IS AN ANTIGEN?

In bood transfusion, why is blood drawn from a vein rather than an artery?

Y R YOUR VIDEOS NOT WORKING ? plz see it fast and put more videos for better under standing & tht too pic one not mn exp.

see ^ problem fast so tht i can prepare ny lessons

thanx

 is there any difference between arteries and the vein the difference is not given in the diagram

If pulmonary artery carry deoxygenated blood ,then why it is called as artery.instead it should be called as a vein

plzzz give the explanation of the prosess of osmosis....... i know the definition of osmosis but i have no idea about the prossess of osmosis or how it takes place.......... plzzzzzz help as i had this in my exams but the explanation is not clear in my text book..

Please explain the difference between OSMOSIS and DIFFUSION.

If the  pulmonary artery carries carbon dioxide-rich blood why is it called artery and same with the vein?

 what are lycocytes?????????????/

 what is osmotic balance and why is it necessary?

is making of tea by tea bags an example of osmosis?

give an example for diffusion

hello

what is the meaning of water table ??? subject biology please answer quickly

Dear sir/madam,

                               i kindly request you to give me more videos so that i could understand the lesson by visual understanding,as i could score well

                              please do it for me if you can.
 

define pulse

Give a magnified view of the root-hair,and describe,how it helps in absorption of water from soil.

 DEAR  EXPERTS I  CAN'T  UNDERSTAND THAT IF RBC'S   DONOT  HAVE  NUCLEUS  SO  WHY  ARE  THEY  CONSIDERED  AS  CELLS?????

what is homocoel

Give the odd one out.Give reason for your answer.

1. Right auricle, Left ventricle, Left auricle, Aorta.

2. Superior vena cava, Inferior vena cava, Pulmonary artery, Aorta.

 what is the colour of lymphocytes

what are erethrocytes

 how does movement & absorption of water take place through roots?

what is the difference between blood and lymph?

Dear Expert,

How come de-oxygenated blood from the right ventricle and auricle flows into the pulmonary ARTERY and oxygenated blood flows from the pulmonary VEIN into the left auricle and ventricle. Doesn't that deny the fact that oxygenated blood flows in the arteries and de-oygenated blood in the veins? 

Q. Imagine that all the seeds prodused by a plant happen to fall under the same plant and sprout into new plants. Mention any two problems that will be faced by the new plants;

 what is osmosis and diffusion