How are bones part of the circulatory system?

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

Wht happens as electrons in the electron transport chain release their energy

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent