B. False I believe -I did this subject earlier.
Answer:
Explanation:
The more the heart muscle fibers are stretched, the harder the heart will squeeze. The heart can compensate for quite some time by squeezing harder. However, squeezing harder can cause the heart muscle to thicken over time.
An overly stretched heart muscle, known as dilated cardiomyopathy, can affect a person’s end-diastolic volume. This condition is often the result of a heart attack.
Also another heart condition that changes end-diastolic volume is cardiac hypertrophy.
Answer:
Becuase he did not want to scare the people while he was oing his job
Explanation:
Their items could be delivered quickly and efficiently. The railroads could also be all over the area and the train could travel from one place or another and deliver the necessary items to those companies.