Cell theory was fdiscovered in the 17th century. but the first. cell theory was credited in the 19th century.
Answer:
In the human body, cells are the basic units of life. Groups of cells working together for a specific function form tissues. Organs are two or more tissues operating together. Even separate organs work together, forming body systems.
Explanation:
I hope this helps you out and if your feeling generous plz mark brainliest it helps me a lot thank you:)
Answer:
The answer is letter D
Explanation:
<em>The set point is the weight range in which your body is programmed to function optimally. Set point theory affirms that an indivual's body will fight to mantain that weight range. Evebody is biologically and genetically determined to weigh within a certain weight range. Set points will vary for each individual person. </em>
<em>Scientists estimate that the average person has a set point range about ten to twenty pound rage at which your body will be comfortable and not resist attempts to change.</em>