Answer:Hip fracture is more common in older people. This is because bones become thinner and weaker from calcium loss as a person ages. This is generally due to osteoporosis. Bones affected by osteoporosis are more likely to break if you fall.
Answer:
C.
Explanation:
Because Heroin is an injected drug, blood-borne pathogens would be the most likely to occur. Also, I am pretty sure cancer is a mostly genetic disease.
Answer:
The answer would not be that they work independently
Explanation:
Every system need each other to work eg. The skeletal system needs the nervous system in oder to work because every time you need to move your brain signals to you legs so they could move.
A few carbohydrates include sugars, starches and fibers.
Answer: A