Excretion in Human Beings The excretory system of human beings includes a pair of kidneys, a pair of ureters, a urinary bladder and a urethra. Kidneys are located in the abdomen, one on either side of the backbone. Urine produced in the kidneys passes through the ureters into the urinary bladder where it is stored …
Organ donation Organ donation is a generous act of donating an organ to a person who suffers from non-function of organ(s). Donation of an organ may be done by the consent of the donor and his/her family. Anyone regardless of age or gender can become an organ and tissue donor. Organ transplants can save or …
SOLUTION : Artificial kidney (Hemodialysis) Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An …
Solution Water and minerals transportation in plants: i) Xylem transports plant water and minerals.ii) Root hair – the hair present in the roots of plants.iii) These root hairs absorb water and minerals from the soil because they are in direct contact with the water film between the soil particles.through the diffusion process, water enters the …
How are transportation of food , water and minerals in plants ? Read More »
Transportation in Plants We have discussed earlier how plants take in simple compounds such as CO2 and photosynthesis energy stored in their chlorophyll-containing organs, namely leaves. The other kinds of raw materials needed for building plant bodies will also have to be taken up separately. For plants, the soil is the nearest and richest source …
Solution : PulsePulses are similar sounds or vibrations like the heartbeat that can be felt at other human body locations. The main reason a pulse can be felt is the blood rushing through our veins. Some common places where you can calculate an individual’s pulse include knees, arms, wrists, neck, ankle etc. This helps in …
Solution : Heart Rate The number of times your heart pumps blood in a minute is all that the term “heart rate” refers to. As we just discussed, the typical heartbeat is 72 beats per minute. A regular heartbeat guarantees a regular heart rate. Several medical or physical problems might cause the heart rate to …
Solution : Heart beatThe various heart chambers expand and contract, or constrict and relax, while the heart pumps blood. A thumping sound is made whenever the chambers expand or collapse. This is what is known as the heartbeat. A single heartbeat signals the end of a full cycle of blood pumping. A standard human heart …
Solution : Lymph: A colourless liquid containing white blood corpuscles that clean the inside of your body and help to prevent infections from spreading. The lymphatic system is filled with a colourless fluid called lymph. The lymphatic system’s primary function is to serve as a filter for microorganisms, organic waste, poisons, and other material. It …
Solution : DOUBLE CIRCULATION in the HUMAN HEART A mechanism in which blood circulates twice through the heart in one complete cycle is known as double circulation.There are two pathways in which the blood flows in double circulation. i) Systemic circulation and ii) Pulmonary circulation Double circulation is present in Aves and mammals. Systemic circulation: …
