Help me? please :') George drinks a large glass of milk as a part of his afternoon snack. His blood calcium levels rise above homeostasis levels.

Explain: what system, organs, hormones, and/or neurotransmitters are involved? How are they involved?

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs