Cardiovascular System Vs Digestive System

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The specialised cardiac tissue works with nerve tissue and blood tissue to make up the organ, the heart. The cardiac tissue is specialised to contract by initiating impulses making the heart beat, the nervous tissue found in heart receives messages from the brain telling the heart to beat faster or slower and the blood tissue is specialised to carry blood from the heart to the rest of the body. The heart organ makes up the cardiovascular system. The cardiovascular system works together with other organs to provide help for organ systems. The cardiovascular system and the digestive system: • The digestive system provides the cardiovascular system with energy, as the digestive system breaks down food, the glucose and nutrients are absorbed and…show more content…
Cardiac muscle tissue has intercalated disks which are found between cardiac muscle cells this is so electrical impulses can travel across the muscle and the cardiac muscle cells can communicate. Skeletal muscle cells are multi-nucleated meaning the tissue has multiple nucleuses whereas cardiac muscle tissue is uni-nucleated or bi-nucleated meaning each cardiac cell either has one or two nucleuses. Both muscle tissues have the organelle mitochondria; this is to provide the tissues with energy due to ATP being created. Both cardiac and skeletal tissues require a lot of energy as both tissue types is active. The more mitochondria the more the muscle has energy. Cardiac muscle also has myoglobin, this organelle binds and stores oxygen for muscle cells to use. Skeletal muscle has an organelle called sarcoplasmic reticulum, this works in a similar way to smooth endoplasmic reticulum but the function is to store calcium ions, these are critical for muscle…show more content…
The heart relies on aerobic respiration and cannot respire without oxygen O2; the heart cannot respire anaerobically like skeletal muscles. Skeletal muscles can respire aerobically and anaerobically. Skeletal muscles can use oxygen to produce energy but are also able to respire anaerobically, this is vital because the muscle is able to produce energy with the present of oxygen but lactic acid is a by product of this which makes the muscles
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