3/25 Circulatory System 4th Period

Explore the circulatory system with our fun 5th-grade worksheet!

Click on the line to choose the correct answer to the sentence. The function of the circulatory system is to move blood through the body. It includes the heart, blood, and blood vessels. There are three kinds of blood vessels. These are arteries, capillaries, and veins. The heart is a muscular organ that is in charge of pumping blood throughout the body. It is divided into two sides and four chambers. Match the elements of the circulatory system to their corresponding characteristics or definitions. Arteries Carry blood AWAY from the heart. Capillaries The smallest kind of blood vessel. Veins Transport blood TOWARD the heart. Valves Act like doors to keep moving in only one direction. The four heart chambers Right atria and Right ventricles. Identify the function of each heart chamber. Right Atrium Blood enters the heart. Left Atrium Bloods enters after visiting the lungs. Right Ventricle Pumps blood to the lungs. Left Ventricle Pumps the oxygen-rich blood through arteries to the entire body.