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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 are the components of blood ?
What will happen if there are no platelets in the blood?
due to certain abnormal conditions,the kidneys can fail.is it possible for a person to survive on one kidney ?how can such people be cured ?
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?
Is removal of undigested food frm d body considered to be excretion? why?
relationship between pulse rate and heartbeat
which tissue is responsible for the transportation of materials in human body
WHY IS TRANSPORTATion important in plants and animals?
The impure blood from different parts parts of the body return to left auricle.
is it true or false
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 ?
prove experimentally that conduction of water takes place through xylem.
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?
give reasons :
1.the heart gives away impure blood through an artery.
2.we feel cool in summers while sweating.
3. if plants do not get enough water,they droop and wilt.
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?
(exam tomorrowso pls help)find the odd one:
WHAT ARE THE FUNCTIONS OF KIDNEYS? (GIVE ONLY 3 POINTS)
what is the difference between urea and uric acid
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.
why do the arteries have thick elastic walls?
why do we sweat on a hot summer day ?
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
if plants do not get enough water,they droop and wilt.give reason.
what is the function of plasma?
Describe the element involved in the process of translocation and transpiration.
why does an egg without a shell swell when placed in a bowl of water?
can we live without haemoglobin
what is dialysis?
Name the process through which leaves exchange gases?
2 human diseases related to circulatory system. list the causes,effects of circulation, and their cures
when we say nas chad gayi we mean that nas = vein. Why can't nas = arterie?
What is blood? Describe its composition.
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
how does skin act as excretory organ
what is RBC ?
we feel cool in summers while sweating.give reason.
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
Salt and Urea are removed along with wateras sweat or urine??
tell me fast
What are valves?What is the function of valves in heart??
What are capillaries?
what is difference between heartbeat and pulse rate?
what is the function of kidneys?
Muscular floor of chest cavity?
how hemoglobin is red in colour
What does high count of WBCs in blood indicate?
Our skin also acts as excretory organ. Why is it so?
1. Transpiration allows plants to lose excess water. It also has two other functions. What are these?
2. Under what condition will the leaves of a plant wilt?
how does transpiration help plants in transportation of water from roots up the stem?
what are the uses of pulmonary artery and pulmonary vein ?
what is the function of plasma
what will happen if the xylem tissue is damaged in a branch of a tree
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