Mitochondria are essential for the function of the organelles in the Essay

Mitochondria are essential for the function of the organelles in the endomembrane discuss this statement - Essay Example The skeletal system is composed of cartilage, bones and ligaments. The skeletal system protects and supports muscles that are attached to bones as well as the body; provides calcium storage and is also a site where blood cells are formed (John, 2010). The muscular system on the other hand comprises of cardiac muscle, skeletal muscle and smooth muscle. It is charged with movement of parts of the skeleton, pumping of blood, locomotion as well as helping in the movement of all internal materials. The fourth system is the endocrine system which is made up of pituitary gland, thyroid gland, adrenal gland, pineal gland, hypothalamus gland, pancreas, testes and ovaries together with other ductless glands. This system is tasked with regulation of body chemistry as well as several body functions. The nervous system is made up of sense and nerves organs, spinal cord and brain. This system is charged with receiving of stimuli from internal and external environments, conduction of impulses as well as integration of activities of the rest of the systems (John, 2010). Respiratory system is made up of air and lung passageways and is tasked with exchange of gases between the blood as well as the external environment. Digestive system is made up of mouth stomach, esophagus, pancreas, liver and intestines and is responsible for ingesting and digesting foods, as well as absorbing them inside the bloodstream. The urinary system comprises of the bladder, kidney as well as other associated ducts. It is charged with excretion of metabolic wastes, removal of substances that are present in excess out of the blood. Lastly, the reproductive system comprises of ovaries, testes together with associated structures. Its main function is that of reproduction (John, 2010). The major components of the immune system include; thymus, lymph system, spleen, bone marrow, antibodies,