It carries oxidative enzymes that require oxygen and absorbs nutrients that had been acquired by cells?
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Answer:
ionic bond, also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound. Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.
The alimentary canal and accompanying glands are part of the digestive system, which is responsible for food digestion and the release of energy held in dietary items. Breathing and the exchange of respiratory gases are handled by the respiratory system.
The circulatory system is responsible for delivering gases, nutrition, hormones, waste materials, and other substances throughout the body. The endocrine system, which consists of endocrine glands, regulates the body's homeostasis through hormonal effects.
The nervous system is responsible for receiving sensory input, integrating it in the brain and spinal cord, and producing motor output in order to make a response.