The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
Answer:
Scientists have linked that serveral personal problems risk factors to falling, including muscle weakness, problems with balance and gait, and blood pressure that drops too much when you get up from lying down or sitting
Answer:
C. Drinking and driving can be harmful to all people in the vehicle, and to people in other vehicles involved in a drunk driving accident.
Explanation:
The best choice is to write about those diseases as the questions like:
1. How is Salmonella obtained?
a. by others coughing on you.
b. By touching a person with Salmonella.
c. Washing hands after touching raw meats
d. by consuming raw products like eggs and chicken. [right answer]
Or another way is fill in the blank:
When people consume contaminated food they get food poisoning or ______.[the answer is listeria]
Another way is long response:
What is E.Coli, what are the symptoms, who can get it?
________________________________________ [its a disease and some symptoms are diarrhea, cramps, vomiting. Old people and children can get it.]
For the other seven you could ask: what is bacteria, how are diseases spread, how do you prevent getting sick, how do you care for someone sick, who is the best person to go to if your sick, what is a symptom, and more. Hopes this helps.