D, by allowing that they never engage in risky behaviors. Knowledge about health can help people understand why some things are risk and why some things aren't.
B. Placenta (works with the umbilical cord to provide nutrients to the developing human)!
the are 32 bones in the jaw
Explanation:
they are the teeth,
<h3><u>info:</u></h3>
teeth are also bones , when we die we can see that the teeth do not rot like the flesh
<h3>hope it helps you :)</h3>
Our DNA gives the instructions that determine human traits, like these.