Answer:
Homeostasis can be defined as the natural mechanism of the body by which the internal temperature of the body is maintained.
This phenomenon is important for the normal metabolism and functioning of the body.
Whenever the body encounters any change in the outer environment, the body tries to cope up with the conditions by maintaining a proper internal temperature inside the body.
Example: shivering of body is a normal response during cold environment to maintain the internal temperature of the body.
At conception. When the sperm reaches the egg and fertilizes the oocyte and together they form a zygote, Which is live baby cells.
Pretty sure it’s toothbrush
The pulmonary Veins and umbilical veins Im not too sure about the third one
Catching wild or rabid animals
