Answer:
A
Explanation:
Stretching of the atrium and ventricle muscles
Explanation:
<h3>Cancer: mitosis out of control</h3>
<h3>Mitosis is closely controlled by the genes inside every cell. Sometimes this control can go wrong. If that happens in just a single cell, it can replicate itself to make new cells that are also out of control. These are cancer cells.</h3>
Answer:
The process in which organ systems work to maintain a stable internal environment is called homeostasis. Keeping a stable internal environment requires constant adjustments.
Explanation: