Help asap!!!

will give brainliest

i think the first one . musculoskeletal system . Because it causes the bones to becaome weak and brittle , do brittle that a fall or even mild stress such as bending over and etc... Hope its helpful . Good luck ;)

a no.

Explanation:

Osteoporosis is a health condition that weakens bones, making them fragile and more likely to break. It develops slowly over several years and is often only diagnosed when a fall or sudden impact causes a bone to break (fracture). The most common injuries in people with osteoporosis are: broken wrist.

Arthritis is a disease that affects your joints (areas where your bones meet and move). Arthritis usually involves inflammation or degeneration (breakdown) of your joints. These changes can cause pain when you use the joint. Arthritis is most common in the following areas of the body: Feet.

answer///weigh training and pilates;