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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
Water absorption through roots can be increased by keeping the plants under the fan .Why?
what is hemoglobin?
WHY IS TRANSPORTATion important in plants and animals?
relationship between pulse rate and heartbeat
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
which tissue is responsible for the transportation of materials in human body
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)
what is the difference between urea and uric acid
why do the arteries have thick elastic walls?
why do we sweat on a hot summer day ?
prove experimentally that conduction of water takes place through xylem.
what makes water rise in tall trees sevaral metres high?
describe the process by which water in the soil reaches the xylem tisses in plants
Why is transport of materials necessary in a plant or in an animal?
FLOW OF BLOOD IN THE HEART
2 diffrences between xylem and phloem
what is the function of plasma?
why does an egg without a shell swell when placed in a bowl of water?
what is dialysis?
2 human diseases related to circulatory system. list the causes,effects of circulation, and their cures
What is blood? Describe its composition.
Name the process whioch causes water in a plant to be pulled upwards through the xylem vessels from the roots to the leaves. How does the movement of water in a plant differ from the movement of food?
Is removal of undigested food frm d body considered to be excretion? why?
what is difference between xylem and phloem?
what is ECG?Explain it?
Why do arteries have thick walls and veins have thin?
1)why do ventricles have thicker wall than auricles?
2)what makes watre to rise in tall trees several meters high?
3)why do veins have valves but arteries don't have.
4)why opening of auricles and ventricles are guarded by valves?
5)why leucocytes are called soldiers of our body?
6)why does rate of heartbeat increases after running?
what do you mean by nephron
what is RBC ?
WHEN A PERSON SUFFERS FROM CHEST PAIN, THE DOCTRO IMMEDIATELY TAKES AN ECG. VISIT A DOCTOR AND GET INFORMATION ABOUT ECG . YOU MAY EVEN IOOK UP AN ENCYCLOPAEDIA OR THE INTERNET
Why is it necessary to excrete waste products?
What are valves?What is the function of valves in heart??
what is difference between heartbeat and pulse rate?
what is the function of kidneys?
why is blood red?
what are the components of blood ?
Muscular floor of chest cavity?
what is the natural pacemaker of the heart???
what is osmosis ????????????
how hemoglobin is red in colour
Our skin also acts as excretory organ. Why is it so?
when we say nas chad gayi we mean that nas = vein. Why can't nas = arterie?
What is transpiration. Please explain in brief manner.
what are the uses of pulmonary artery and pulmonary vein ?
what will happen if the xylem tissue is damaged in a branch of a tree
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