Practice Quiz

FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

Start a Study Session Sign up for Question of the Day
It contains four hollow chambers, made up of specialized cells; it is the driving force in the circulatory system.
  1. The heart.
  2. The lungs.
  3. The arteries.
  4. Isn’t this game over yet??
Explanation
Answer: A - The heart is made of specialized muscle cells and contains four chambers which blood passes through. Its constant pumping action is what drives the blood circulation through the body. The force of the hearts’ pumping action exerts pressure on arterial walls; this is known as blood pressure. The heart pumps approximately five quarts of blood through the body every sixty seconds, and for the average adult beats about 100,000 times a day
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz