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How the lungs work
Cut the bottom off a large bottle. Fit a cork to the neck with a Y tube in it. On every of the lower limbs of the Y tie a rubber balloon or a number of small bladder.
Tie a sheet of brown paper or sheet rubber round the bottom of the jar, with a piece of String knotted by a hole and sealed with wax. Pulling this string lowers the diaphragm and air enters the neck of the Y piece causing the balloons to dilate.
Pressing the diaphragm upwards has the opposite effect.
Nematodes These are next to protozoa and are the abundant soil microfauna in soil. They are also called eelworms, thread worms or roundworms. Nematodes that feed on decayin
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
Explain Hiccup reflex Actions - Respiratory Process It is also a reflex associated with stimulation of sensory endings in the gastrointestinal tract or other tissue through irr
EXPLAIN THE PARTICLE THEORY EXPLANATION OF WHY BLACK OBJECTS GETS OBSORBED QUICKER OR BETTER THAN WHITE OBJECTS?
Sinking bodies Fill the overflow can with water to the level of the spout. Select a stone that will go inside the overflow can. Attach a string to the stone and weigh it with a
can you give explanation on RPME and its working
positive energy power full or negetiveenergy
Explain the Somatosensory System The somatosensory system consists of: 12 pairs of cranial nerves, and 31 pairs of spinal nerves All our conscious awaren
What are the different modes of nutrition for paramecium?
ht are the examples oof a solution and its characteristics?
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