Secondary Closure or Second intention
In the greenhouse effect, the Earth's atmosphere<span> acts </span>like<span> greenhouse gases
that warms the earth. ... </span>Certain gases in the atmosphere<span>, </span>like carbon dioxide<span>, </span>nitrous oxide, and methane<span>, </span>absorb heat and prevent it from escaping into space<span>.</span>
The placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream.
meaning that the baby does not simply absorb oxygen from a women's bloodstream. blood and gas transports occur through the placenta, also the placenta delivers oxygen-rich blood through the umbilical vein not artery
hope this helps
It is
Explanation: Second Trimester: The Baby at 20 Weeks
Your baby is covered by fine, feathery hair called lanugo and a waxy protective coating called vernix. Eyebrows, eyelashes, fingernails, and toenails have formed. Your baby can even scratch itself. Your baby can hear and swallow.
