Answer:
i have no i dea, ive looked it up, gone through several websites to figure out but still notthing
Answer:
When you don't have proper body alignment, then the curl ups could be too easy or too hard.
This could also cause injury, due to improper stretching of the muscles.
Some tips would be: (<em><u>You may choose any two of them</u></em>)
1.) keep your feet about 12 inches/1 foot aways from your bottom.
2.) Stretch properly before doing curl ups to prevent injury.
3.) Lay on something soft to prevent spine aching/injury.
4.) Instead of putting your hands behind your head, put them in an X shape across your chest. This can prevent neck injury or aching.
5.) Don't let your feet lift off the ground, have a friend hold them down. Never put gym weights on them, as that can cause injury to your feet.
Answer:
the lungs will turn black, unable to breath....and will die
Explanation:
Help prevent disease, fight pathogens, Relieve pain, and maintain health
Answer:
Heart disease and strokes are a very serious issue and the main causes of death 20 years ago, and even today. This means that something such as genetics or even diet is effecting health and heart problems leading to death.
Explanation:
the original line is stating that heart disease and strokes were the two leading killers 20 years ago, and they still are today so this means that heart issues are a big problem and main cause of death.