"Gas bladders" and lungs are similar organs, although they serve different functions.
Both of them develop from a location in the upper throat i.e. the pharynx and are used to manipulate gases. They both contain a good blood supply.
However, the lung is used for breathing and is often found in land vertebrates, while on the other hand, the gas or swim bladder is used in the regulation of buoyancy and the latter is found in all other bony fishes e.g. perch.
Perch use the swim bladder to control their buoyancy by filling it with oxygen from their gills using a gland, which is known as a gas gland. This expands the bladder, thereby pushing the fish toward the surface of the water.
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The correct answer is- A tendon is a connective tissue that links a bone to a muscle.
Tendons are a type of a connective tissue. They are fibrous tissue with great strength like rope and made of collagen fibres, but they have less flexibility. The main function of tendons are to connect bones to muscles for the proper function of the body.
Answer:
Axon;dendrites
Explanation:
If the neurons were a tree, the trunk would represent the axon.
Answer:
Lightning is an electric current. Within a thundercloud way up in the sky, many small bits of ice (frozen raindrops) bump into each other as they move around in the air. All of those collisions create an electric charge. After a while, the whole cloud fills up with electrical charges.
