How well do you know the human circulatory system?

Describe the role of arteries and veins in the circulatory system. How do they differ in function?

Arteries carry blood away from the heart, while veins carry blood back to the heart. Arteries are typically thicker and more muscular than veins, as they need to withstand the high pressure of blood being pumped away from the heart.

What is the purpose of the circulatory system? What substances does it transport and from where to where?

<p>The circulatory system transports oxygen, nutrients, hormones, and waste products like carbon dioxide. It carries these substances to and from cells throughout the body.</p> Signup and view all the answers

<p>What are the four chambers of the heart and how do they function in the circulatory system?</p> Signup and view all the answers

<p>The heart has two upper chambers (atria) and two lower chambers (ventricles). The atria receive blood returning to the heart, while the ventricles pump blood out of the heart and into the circulatory system. This allows for efficient delivery of oxygen and nutrients to the body's cells.</p> Signup and view all the answers

<p>What was Mahatma Gandhi's profession before he became a leader of the Indian independence movement?</p> Signup and view all the answers

<p>lawyer</p> Signup and view all the answers

<p>What did Gandhi adopt as a mark of identification with India's rural poor?</p> Signup and view all the answers

<p>short dhoti woven with hand-spun yarn</p> Signup and view all the answers

<p>What was the indirect goal of Gandhi's hunger strike in Delhi in January 1948?</p> Signup and view all the answers

<p>to pressure India to pay out some cash assets owed to Pakistan</p> Signup and view all the answers