D she didn't use flash cards, she can't remember information because she didn't study.
The way it looks and it's different color
<span>Body Temperature Regulation
</span><span>Disease Protection and Healing
</span>Carbon dioxide and oxygen transportation
<span>Nutrient and Waste Product Transport
</span><span>Hormone Delivery
</span>
B or D pretty sure it's D though
Child saftey is important for kids and parents so that life can go by easier
