Answer:
two
Explanation:
The endocrine and central nervous systems are the major control systems for regulating homeostasis
<span>The question is asking us to choose the order of increasing complexity and the correct answer is
(3) organelles → cells → tissues → organs. Organelles are parts of cells, for example a mitochondrium is an organelle. Many cells form tissues and tissues form an organ. Many organ for an organism, for example, a human being is an organism - that's the whole animal or plant. </span>
Answer:
bones
Explanation:
The x-rays go through the soft tissue of things like organs, muscles, skin, etc, but is reflected by denser, less penetrable bones.
Hope this helps!
Theories are a collection of scientific data that is generally accepted and reproducible. Theories are a result from several repeated experiments, but theories are not based on a single hypothesis. Several hypotheses are tested and appraised to become a well accepted theory. Theories may also be revised over time and can predict what may happen in the future. On the other hand, theories are not proven facts.