can you give a speech on save the tigers?(100-150 words)

what are uricotelic , ammonotelic ,ureotelic

what is stomata?give two functions of stomata.

What will happen if there are no platelets in the blood?

Draw a diagram of the human excretory system and label the various parts.

Water absorption through roots can be increased by keeping the plants under the fan .Why?

 what is hemoglobin?

relationship between pulse rate and heartbeat

WHY IS TRANSPORTATion important in plants and animals?

 HOW ARE WATER AND MINERALS TRANSPORTED IN PLANTS??

Q1) In what ways pulmonary artery is different from other arteries of the body ?

Q2) Why smaller organisms like hydra do not need circulatory system ?

Q3) What is dialysis ? Why is it necessary in some pateints ?

Q4) In what ways xylem and phloem are important for transportation in plants ?

Q5) Differentiate between arteries and veins ?

Q6) Why is there a need of food tranportation in plants although they autotrophs ?

Q7) Name the organs other than unirary system that helps in excretion in human beings ?

tell me about different blood groups and their importance

Hydra and sponges do not posses a circulatory system. How does circulation of nutrients and oxygen occur in these animals?

Q1.Why are arteries thick walled and veins thin walled? Q2. Why do blood flows at high pressure inside the arteries and at low pressure inside the veins? Q3. How do blood helps in removing waste from our body?

WHAT ARE THE FUNCTIONS OF KIDNEYS? _{(GIVE ONLY 3 POINTS)}