Answer: The nervous system
Explanation:
The first part of the embryo to develop is the neural tube, which will become the spinal cord and brain. As the nervous system starts to develop, the tiny heart starts to pump blood, and other parts of the body—such as the digestive tract and backbone—begin to emerge.
Answer:
Teenagers are always trying to look like adults and act cool and all, like vaping and smoking, driving at high speeds, showing off there money and all to be popular, almost all of them are dare devils and want to show it off, that is why they would go out and party/drink all the time and get into other bad situations.
Now there are 2 sides of it, teenagers may be participating in good behavior and taking a risk at the same time. This shows there bravery, passion and how much support they have in thereselves/will-power.
Answer:
C. organized, follows a pattern
Explanation:
Structured exercise is exercise that is performed with an underlying purpose and goal. Hence the word "structured" in structured exercise