Hello! The answer to your question would be as followed:
Two measures of physical health could be <u><em>a fitness-gram testing and seeing how long you last through it</em></u>
The backpack's main force that it it is exerting on the body's back and hips is coming from gravity, and can pull the spine downwards. This is why it's important to ear both straps.
Infertility, impotence and sexually transmitted infections
Answer: Gerald Edelman and Antonio Damasio, and by philosophers such as Daniel Dennett, seek to explain consciousness in terms of neural events occurring within the brain.
Explanation: studied in my high school class. your welcome! :)