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Why are skeletal muscle cells multinucleated?
The number of cells depends on how large the muscle is; muscles consist of fiber bundles, which are made up of myofibrils. A sarcomere is one of the segments that the myofibril is divided into. In each fiber bundle there are multinucleate cells, which can extend the length of the skeletal muscle. So, the number of cells in a skeletal muscle depends on the size of the muscle. for example, the number of cells in one of our triceps larger than one of the small muscles in a finger.
Who do active cells have large numbers of mitochondria?
Skeletal muscle cells,cardiac muscle cells,sperm cells
Why do humans need a skeletal system but not an amoeba?
Humans need a skeletal system to provide structure, support, and protection for their body. Amoebas, being single-celled organisms, rely on their flexible cell membrane to maintain their shape and do not require a skeletal system.
How does endocrine system relate to lymphatic system?
The Lymphatic System relates to the Skeletal System by way of direct inclusion of support cells for circulation through bone marrow. Both of the systems are dedicated to the circulation and production of lymphocytes through the lymph nodes throughout the Lymph System.
What are cells in large organisms called?
Cells in large organisms are typically referred to as somatic cells, which make up the majority of the body's tissues and organs. These cells are specialized to perform specific functions within the organism.
Why are skeletal muscle cells multinucleated?
The number of cells depends on how large the muscle is; muscles consist of fiber bundles, which are made up of myofibrils. A sarcomere is one of the segments that the myofibril is divided into. In each fiber bundle there are multinucleate cells, which can extend the length of the skeletal muscle. So, the number of cells in a skeletal muscle depends on the size of the muscle. for example, the number of cells in one of our triceps larger than one of the small muscles in a finger.
The difference between the structure of cardiac muscle and skeletal muscle?
One key difference between cardiac and skeletal muscles is that skeletal muscles are controlled by the nervous system, while cardiac muscles move involuntarily. In addition, cardiac muscles are only found in the heart, while skeletal muscles are found throughout the entire body.
Who do active cells have large numbers of mitochondria?
Skeletal muscle cells,cardiac muscle cells,sperm cells
Why do skeletal muscles need large amounts of ATP?
ATP stands for adenosine triphosphate. It is needed to make muscles move. It is created by cellular respiration which creates energy for cells to function. Then those properly energized and properly functioning cells make our muscles move when told to do so by our brain.
Is skeletal muscle found in the heart?
no. skeletal muscle is found in large groups of muscles like the arms and legs. your heart is a cardiovascular muscle
How do skeletal and cardiac muscles differ?
cardiac is uni/binucleate, has intercalated discs, and is has branching fibers, skeletal is multinucleate and is long and cylindrically shaped.Skeletal muscle is found in the arms and legs and also other parts of your body. For skeletal muscle to contract it needs to be independly stimulated by a nerve ending. Cardiac muscle is a involantry muscle within the heart which automaticly contracts because of its self- excitable cells. It is a muscle which does NOT produce lactic acide ( normally) and it does not need a nerve to stimulate it to contract
How do the Skeletal system and the lymphatic system work to protect the body from disease?
The origin of lymph cells basically take place in bone marrow of large bones and these cells are called myloid stem cells
How many nucleus does smooth muscle have?
smooth muscles and cardiac muscles contain a single, centrally located nuclei, where as skeletal muscle cells are very large and contain many nuclei.
Where in the human body would you find cells with a large number of mitochondria, and why are they abundant in those specific cells?
Cells with a large number of mitochondria are typically found in muscle cells, specifically in the heart and skeletal muscles. This is because these cells require a lot of energy to function properly and mitochondria are responsible for producing energy in the form of ATP through cellular respiration. The abundance of mitochondria in these cells helps meet their high energy demands for contraction and movement.
Why do skeletal muscle cells have more than one nucleus?
Skeletal muscles are straited, multinucleate cells. Stimulated by voluntary/ somatic nervous system. Skeletal muscles cause forceful, strong contractionsCardiac muscles are also straited, yet they have 1-2 nuclei per cell. Stimulated by involuntary/autonomic nervous system. Cardiac muscles cause strong, forceful interactions (think of the heart beating, & its ventricles pumping out the blood)Smooth muscles are nonstraited, have one nucleus per cell. Stimulated by the involuntary/autonomic nervous system. They have smooth, continuous contractions (think of the digestive system)
What is the name of the neurotransmitter released by sympathetic nerves and also act on the heart blood vessels large skeletal muscles and accelerates metabolism?
acetylcholine
What is either of the two large muscles in the chest called?
Pectorals
