Answer:
The tubule adjusts the level of salts, water, and wastes that will leave the body in the urine. Filtered blood leaves the kidney through the renal vein and flows back to the heart.
Pee leaves the kidneys and travels through the ureters to the bladder. The bladder expands as it fills.
Bones of dinosaurs are the components of fossil records.
Fossil records are the preserved remains of any organism. These are a very useful source for the study of the organism, its population as well as the environment around it during that time. It also hints about how the evolution might have happened towards the current situation. The examples are bones, wings, feathers, nails, etc.
Dinosaurs are the extinct species that existed during the Mesozoic era. They lived during the Triassic and the Jurassic period. They belonged to the reptiles group and were terrestrial animals. It is believed that they were the most dominant species on the earth for about 140 millions of years.
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A plant is probably a dicot if it has an embryo that bears seed leaves.
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