Compared to adults, the infants rib cage at the bottom is not as RIGID.
Answer:
If you are in a bad physical state, for example, you broke your ankle, then you wouldn't be able to exercise. If you were depressed, then you wouldn't want to exercise and you could hurt yourself. And if you were just broken up with then all you would want to do is eat ice cream or lay in bed all day. But if you do exercise then you could hurt yourself because youre not focused on what you are doing.
Explanation:
True, by saying no to things you know you can't handle or that would be too stressful with your own schedule is beneficial in having time management.
I'm no expert at all so don't take my word but number one looks like it will make the most sense. Because it has the word reproductive system and yeah...