In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
D. listening. If someone listens well, they should be able to repeat what they have heard.
The correct answer is lumbar curvature.
Answer:
C <em>cycling</em>
Explanation:
I'm saying cycling because everyone learned how to ride a bike at a young age and even if you don't know how to ride, you can put on training wheels. (lol). Hiking could be another good alternative but in case you get worn out, theres no place to call to get picked up because of bad service.