|
Author Question: The principal greenhouse gases are ______________ and ______________. Fill in the blank(s) with ... (Read 69 times) |
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
There are approximately 3 million unintended pregnancies in the United States each year.
All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.