Chapter 19 The Cardiovascular System: The Heart 1. How is the heart positioned in the mediastinum? It rests on the diaphragm‚ near the midline of the thoracic cavity‚ with about two-thirds of the mass lying to the left of the body’s midline. 2. Which layer of the pericardium is both a part of the pericardium and a part of the heart wall? Serous pericardium 3. What is the function of pericardial fluid? Reduces friction between the membranes as the heart moves 4. From most superficial
Premium Heart Blood Circulatory system
The muscular system is what is responsible for the way that we move. Without the muscular system‚ we wouldn’t be able to participate in the normal activities that we do today. There are 700 known/named muscles that are attached to the human skeleton. There are three different types of muscle that can be found in the human body. The Visceral muscle which can be found inside organs such as the stomach. This type of muscle is controlled by the unconcious part of the brain. This muscle is also known
Premium Heart Blood Artery
The cardiovascular system is the movement of blood being permitted around the body to vital organs and muscles with the components of the heart‚ blood‚ and blood vessels combining together to make the cardiovascular system work. The cardiovascular systems is vital in the human body as it promotes the body’s delivery system for blood being pumped around the entire body for survival. The respiratory system also has importance in the body as it is the system to transport air into the lungs to aid the
Premium Heart Blood Circulatory system
CIRCULATORY SYSTEM Transport nutrients‚ respiratory gases‚ hormones‚ water‚ electrolytes‚ to and from all tissues of the body Body Fluids Interstitial Fluid - occupies spaces surrounding the cells in the body. Blood – contained within blood vessels BODY FLUID COMPOSITION LYMPHATIC SYSTEM FUNCTION: function of the lymphatic system is to return to the blood the excess fluid (lymph) filtered across capillary walls into interstitial spaces. plays a central role in the body’s defenses. Located
Premium Blood
on the body’s left side with the other 1/3 on right. The top of the heart also known as the heart’s base‚ connects to the heart’s blood vessels called the aorta‚ vena cava‚ pulmonary trunk‚ and pulmonary veins. There are two different types of circulatory loops in the human body the Pulmonary Circulation and the Systemic Circulation. The Pulmonary arteries brings blood from the right side of the heart to the lungs where then the blood picks up oxygen and returns to the left side of the heart. The
Premium Heart Blood Circulatory system
About the circulatory system The circulatory system is an organ system; the main purpose of the circulatory system is to deliver nutrients such as amino acids and electrolytes. Move gases‚ hormones‚ blood cells‚ etc to and from cells in the body to fight diseases. Lastly it removes waste products. What helps to control the flow of the blood around the body are the vessels and muscles made up of the circulatory system. This process is called circulation. The heart‚ arteries‚ capillaries and veins
Premium Heart Blood Blood vessel
What is the job of the Circulatory System? The Circulatory System is responsible for transporting materials throughout the entire body. It transports nutrients‚ water‚ and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce. It is an amazing highway that travels through your entire body connecting all your body cells. Parts of the Circulatory System The circulatory System is divided into three major parts: 1. The Heart 2. The
Premium Blood Heart
Circulatory System Working that muscle heart is a muscle little left of the middle of your chests about the size of fist heart sends blood around body blood provides body with oxygen and nutrients it needs carries away waste heart is like pump right side receives blood and pumps to lungs left side receives blood from lungs and pumps to body We got the beat before each beat‚ heart fills with blood muscle contracts to squirt blood Heart parts heart made of 4 blood filled areas each
Premium Heart Blood
Circulatory System The heart is a cone –shaped muscular organ located within the ___(1)__ of the thorax. Its apex rests on the __(2)__ and its superior margin lies at the level of the __(3)__ rib. Approximately two-thirds of the heart mass is seen to the left of the __(4)__. The heart is enclosed in a serosa sac called the pericardium. The loosely fitting double outer layer consists of the outermost __(5)__ pericardium‚ lined by the parietal layer of the serous pericardium. The inner __(6)__pericardium
Free Heart
The heart and blood are the transport system in the body. This assignment looks at the structure and function of the circulatory system and also includes a diagram of the circulatory system. The heart is a hollow muscular organ which acts as a pump‚ located in the chest and lies left behind the sternum.’ Blood vessels also transport blood throughout the body’ (Wikipedia). There are 3 major types of vessels which will be discussed later in the assignment. The blood is a main component of the body
Premium Heart Blood