[TYPE THE COMPANY NAME] DIFFERENCE BETWEEN THREE MUSCLE TYPES SKELETOL, SMOOTH AND CARDIAC MUSCLE ... GAOLATLHE THABISO KWENAMORE 24 SEPTEMBER 201101827 BIO 231 INTRODUCTION Muscles are multicellular contractile units. They are divided into three types which are skeletal muscle, smooth muscle and cardiac muscle and classification is done according to their structure, location and their function (Tortora and Derrickson,2011). Skeletal muscle is mainly responsible for the movement of the skeleton, but is also found in organs such as the globe of the eye and the tongue. It is a voluntary muscle, and therefore under conscious control, skeletal muscle is specialized for rapid and forceful contraction of short duration (Bevan et al,1996). In describing the cellular components of skeletal muscle, several specialized terms are used such as the plasma membrane of skeletal muscle is called the sarcolemma; its cytoplasm is known as sarcoplasm; the endoplasmic reticulum is called the sarcoplasmic reticulum.
Compare and contrast the three types of muscles, namely, skeletal, smooth and cardiac? A. We can consciously control skeletal muscle but not smooth muscles. Smooth muscles contracts slowly, whereas skeletal muscles contains both slow-twitch and fast twitch bundles. Cardiac muscle is found only in the heart, the other can be found throughout the body.
Brock Perry HPE295 Grier Gatlin Muscle Fibers Our body is composed of many different groups of muscles and each person has a unique composition of muscle tissue in their body. Different types of athletes usually have one predominant type of muscle fiber, that being the kind that suits their sport the best. Each one has it's own characteristics and is suited to a particular type of movement. Another way to classify these fiber types is by their contractile and metabolic properties, thereby dividing them into slow and fast twitch fibers. The first type of fiber we will look at is the type I, or slow twitch fibers.
Agonistic muscles are a classification used to describe a muscle that causes specific movement or possibly several movements to occur through the process of its own contraction. This is typically a term designated for skeletal muscles. Agonists are also referred to, interchangeably, as "prime movers", since the muscles are considered to be primarily responsible for generating a specific movement. Rubia Khan Coronary Heart Disease What is Coronary Heart Disease? Coronary heart disease is a disease in which a waxy substance (plaque) builds up inside the coronary arteries.
The human heart pumps blood through the arteries, which connect to smaller arterioles and then smaller capillaries. In this assignment, we will discuss the arterial blood pressure from several aspects, include definition, normal values for blood pressure, the most important factors affecting it, the mechanism involved in arterial blood pressure regulation, and the relevance between the pressure and the eye. Definition of blood pressure, it’s Normal value, and the factors that determine arterial blood pressure under physiologic conditions. Blood pressure refers to the force exerted by the blood against the inner walls of the blood vessels . This pressure produces when the heart contracts during the heartbeat cycle, which forces blood out
Homeostasis is for the procedure of the body to uphold a relatively consistent internal state. The nervous system sends and also receives these signals about temperature, blood pressure, hydration and more factors. The endocrine system tends to carry chemical messengers to adjust all the bodily functions. During different forms of exercise, the body’s internal environment is then changed and placed under a considerable amount of stress. Throughout homeostatic feedback mechanisms, the body is allowed to maintain a very healthy internal environment and then rapidly return to normal after all of the exercise ends.
The muscle tissue has four main properties; Excitability, Contractibility, Extensibility and Elasticity. Excitability; The ability to respond to stimuli. Contractibility; The ability to contract. Extensibility; The ability to stretch without causing a tear. Elasticity; The ability to be able to return to normal shape.
Among other things, the right atrium is the attachment point for the sinoatrial node. The sinoatrial node or SA node is the primary pacemaker site for the heart. It is innervated by the parasympathetic nervous system from the vagus nerve. The parasympathetic nervous system controls the vegetative functions of the body. As it pertains to the parasympathetic nervous system, the SA node provides the control of the heart’s rate in distress through the release of acetylcholine.
The skeletal system provides the support for the human body. The strength of our bones depend mainly on how much weight our bones are carrying. When we workout depending on our goals we are either gaining or losing weight. Exercise has a major effect on our bones and what bone diseases we may or may not be prone to. When we exercise we are putting stress on our muscles, and also our bones, both groups work together to support whatever kind of lifting the body may be doing.
Homeostasis is known as the maintenance of a constant internal environment despite external changes or stimuli in references to exercise. When the muscles in your body contract, the glucose will be used up so in order for the blood glucose levels to be maintained stimuli changes the blood glucose concentrations. Negative feedback increases blood glucose levels by secreting glucagon, the alpha cells in pancreas this stimulates the liver to convert glycogen into glucose, which is then released and absorbed by the cells in the body. Homeostasis is changing to the environment. During exercise our body undergoes a lot of changes.