Amedical researcher experimented with the effects of calcium intake on the healing time of broken bones. people who had similar broken bone injuries were divided randomly into two groups, one of which received a calcium supplement and one of which received a placebo. the data showed that there was no significant difference in healing times between the two groups, so the researcher concluded that calcium intake has no effect on bone healing time. why is the conclusion of the researcher not justified?

If you answer this i"ll give you brainiest and all these points me if you do i love you 7. a doctor is at work taking care of sick patients. she spends a few minutes trying to figure out why a particular patient is sick. she taps the patient's knee to test his reflexes. while she is examining him, the patient coughs on her. a) describe the function of the skeletomuscular system in this situation. (3 points) b) describe the function of the circulatory and respiratory systems in this situation. (3 points) c) describe the function of the immune system in this situation. (3 points) d) describe the function of the nervous system in this situation. (3 points) e) describe one way that any two of the doctor's body systems worked together in this situation. (3 points)

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Explain the difference between incomplete dominance and codominance