TO NOTEBOOK Human Body Corporation The Circulatory System and Respiratory System LAB Activity #1 Are you pulsating? Find your pulse by using your index and middle fingers, place them on your wrist at the base of your thumb. You should feel your pulse. What is causing this pulsating feeling? How fast do you think it is traveling per minute? What should be the normal range of your pulse? Using a watch (clock) time how many pulses you feel in 1 minute. Document in the chart your observation. Now count how many breaths (Normal breathing) you take in 1 minute Each breath is a cycle of Inhale and exhale Document in the chart your observation. At Rest After 5 minutes of Exercise Difference How do you feel? Pulse Breathing CLOZE ACTIVITY: The Circulatory System The circulatory system consists of the _________________, _____________, _______________ and _______________. It brings essential materials to all cells of the body and ______________ away cell wastes. The circulatory system delivers ______________ needed by the cells to release ______________ from sugar molecules and carries back carbon dioxide to the _______________, where it is eliminated when air is exhaled. The Heart The heart is a hollow muscular organ that pumps _______________ throughout the body. The _______________ is about the size of your fist. Each time the heart beats, it pushes blood through the network of arteries and veins called the ____________________ system. The heart has 2 sides (right and left) that are separated by a wall of muscle called the _________. Each side has 4 chambers (upper and lower). Each upper chamber is called an ______________ (receives blood that comes to the heart). Each lower chamber is called a ______________ (pumps blood out of the heart). The right atrium has ______________ cells that control the heart rate by electrical impulses. Arteries, Veins and Capillaries ______________ are blood vessels that carry blood ______________ from the heart. ______________ are tiny vessels that _____________ substances between blood and body cells. ______________ are blood vessels that carry blood ______________to the heart. Blood flows from _____________ to capillaries, and from ______________to veins. The ______________ is the largest artery in the body. Blood Components Blood is composed of _________________, _________________, __________________ and ____________________. Most materials carried 1. Color and label the parts of the heart. in the blood travel in the ____________________. Red Blood cells carry 2. Label the direction of blood flow. ____________ from the lungs to the cells in the body. __________________ cells fight diseases and ____________________ are cell fragments that form blood clots that help to repair the cells and body.