What do we call the radiation that allows us to see through the skin to visualize the bones?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air