Maria is camping when she starts to smell smoke. She turns on her radio and hears that a forest fire is coming her way. How can Maria's organ systems interact to help keep her safe? Include at least 5 organ systems in your response.

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Ascientific idea becomes valid when it is what?