Answer:
An example is the case of angina pectoris brought on by a myocardial infarction (heart attack), where pain is often felt in the neck, shoulders, and back rather than in the thorax (chest), the site of the injury
Explanation:
Maybe you should take him to the hospital/doctor or go tell a nearby adult.
The strength of your trunk or "core" including abdominal, low back, and postural muscles.
The soft tissue inside of bone is called Bone Marrow