Answer:
they can form complex organ systems.
It helps by you understanding what you need to pepare for life's greatest mysterys
Answer:
The big thing is that, in countries with high life expectancy, their old people are more likely to feel engaged. This can be a cultural difference, or it can be geographical; old people are more likely to do things if they can physically get around.
hope it helps
Answer:
That would be Bulimia Nervosa :)
Explanation:
Graying of hair
Thinning of skin
Hot flashes
