Circulatory system

For this lab report the class goal was to figure out if our dominate hand is stronger than our non-dominate hand. There are a few factors that come into play when measuring this, the first thing that is important to know is what a muscle is and how it works. According to Medicine net a muscle is “the tissue of the body which primarily functions as a source of power.” A muscle is also used for movement and keeping body parts in their right positions. There are 3 different types of muscles,…

The initial electrical impulse that begins the process of a heartbeat is generated by a group of cells located in the upper chamber of the heart. This special pathway is as follow: the sinoatrial node, atrioventricular node, his-purkinje network. The impulse starts in a small bundle of specialized cell which is known as the sinoatrial node located in the right atrium. The sinoatrial node sets the rate and rhythm of the heartbeat. The atrioventricular node slows the electrical signal before…

TASK 1 HEART The heart is a muscular organ that pumps blood throughout the body (Chiras, 2008). STRUCTURE The heart wall is composed of three layers of tissues: pericardium, myocardium and endocardium (Wilson, Waugh and Ross, 1996). Label structures of the heart for the diagram. Aorta is the major artery that carries oxygenated blood to the body. Pulmonary veins carry oxygenated blood from the lungs into the heart. Left atrium is one of the left upper chambers that takes oxygenated blood from…

Conclusion 1 : The degrees of exercise and the pulse rate are positively related. That means the pulse rate increases when the degrees of exercise increase. Explanation : - Pulse rate increases means the heart rate increases. - Heart rate increases means the frequency of the beating of heart increases. - Three reasons for the rise in pulse rate when the degrees of exercise increase. Reason ⅰ : To remove lactic acid in blood and skeletal muscle cells…

2.1. The left ventricle and interventricular septum The heart has two inferior chambers, called the right and left ventricles, respectively. These chambers are the “pumps” that expel blood into the blood vessels and keeps it flowing through the body (Rizzo, 2016). The left ventricle is a cavity that has thick muscular walls that contains the papillary muscles as well as the chordae tendinae that attaches the atrio-ventricular valve leaflets to the papillary muscles (Leeson, Augustine,…

Article 69: Ayurvedic Management of Hridroga Introduction The cardiovascular system consists of the heart and blood-vessels (with their contained fluid, blood). The heart is a muscular organ and pumps blood to all parts of the human body by the process of contraction. Pure-.oxygenated blood is carried by the dhamani (arteries) and impure-deoxygenated blood by the sira (veins). Some common cardiac ailments and there Ayurvedic management is discussed below High blood pressure (Hypertension)…

The left side of the heart receives oxygenated blood from the lungs and pumps it to the cells and tissues to the body. The blood then returns to the right side of the body this is called systemic circuit. From the heart blood flows through large muscular arteries, then into smaller and smaller arteries, then arterioles and finally to the capillaries. It’s in the capillaries where the diffusion process takes place to exchange molecules of oxygen and nutrients for carbon dioxide of nearby cells,…

The respiratory system is responsible for the balance of oxygen and carbon dioxide in the body to meet metabolic demands. The way a person’s breathe can be affected is by emotions and/or changes in the internal environment. The breathing process is mainly controlled by the brainstem and peripheral system. The brainstem controls several important functions of the body like arousal, breathing, and blood pressure, among other functions. In the brainstem, the medullary respiratory center consists of…

A) Explain why transport systems are required in the body? The reasons as to why transport systems are required in the body is because it allows the body to be able to respire and be able to get all that it needs to maintain the same state, for example, oxygen throughout the body as well as nutrients to the cells in the body. An example of a transport system is the Respiratory system. This system is required in the body as it helps the body to take in oxygen, this can be done through the lungs,…

Over the years, biologists have carried out experiments to explore the differences in animal hearts. With regards to this experiment at hand, the differences were explored between mammalian and amphibian hearts. This experiment also helps us determine the effects of external, biological factors and pharmacological substances on the contraction of the heart. The following will serve as an overview of the structure and functioning of amphibian heart. A frog heart has three chambers (two atria and…