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can you give a speech on save the tigers?(100-150 words)
why does an egg without a shell swell when placed in a bowl of water?
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
if plants do not get enough water,they droop and wilt.give reason.
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?
Two useful things that r circulated in all animals are and
HOW ARE WATER AND MINERALS TRANSPORTED IN PLANTS??
what is the respiratory carrier in blood
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
HOW ARE WATER AND MINERALS TRANSPORTED IN PLANTS??
Hydra and sponges do not posses a circulatory system. How does circulation of nutrients and oxygen occur in these animals?
when a person gives blood at a blood donation camp,a small amount of sodium citrate is added.Why is this done?
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?
interesting facts on transportation of materials in plants and animals
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?
how does blood help to maintain normal body temperature
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?
what are the uses of pulmonary artery and pulmonary vein ?
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?
Most liquids waste r excreted through what?
FLOW OF BLOOD IN THE HEART
2 diffrences between xylem and phloem
what is the function of plasma?
(exam tomorrowso pls help)find the odd one:
what is dialysis?
name two types of vascular tissue?
2 human diseases related to circulatory system. list the causes,effects of circulation, and their cures
i)Explain briefly the structure of the human heart.
(ii) With the help of a neat, labelled diagram, explain the process of circulation in human beings.
What is blood? Describe its composition.
why is urinary bladder absent in snake , bird etc?
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 GRASSHOPPERS BLOOD IS GREEN IN COLOUR ?
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 is plasam
what do you mean by nephron
what is the pulse rate in human body per min?
what is RBC ?
how does blood help to maintain constant body temperature??
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
what is phloem ?
What are valves?What is the function of valves in heart??
Please answer immdiately : Urine of a human being suffring from diabetes insipidus is :
a)tasteless and thick b)sweet and thick c)tasteless and watery
d) sweet and watery
what are functions of kidneys?
what is difference between heartbeat and pulse rate?
what is the function of kidneys?
what is the defination of blood cells..??
what are the components of blood ?
1) By which process the capillaries called glomeruli filter the blood? 2) Which part of the heart carries the carbon dioxide-rich blood from the other parts of the body to the heart ?
which tissue is responsible for the transportation of materials in human body
The impure blood from different parts parts of the body return to left auricle.
is it true or false
Muscular floor of chest cavity?
why does transpiration in taller plants help to transport water to greater heights?
how hemoglobin is red in colour
pulse rate can be checked by an instrument called
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 will happen if the xylem tissue is damaged in a branch of a tree
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