Answer:
b. they require more oxygen per unit of volume.
Explanation:
Large animals have a specialized organs for exhalation and inhalation of gases due to the requirement of large amount of oxygen for cellular respiration. Respiration is a process in which energy is released in the form of Adenine tri phosphate (ATP) in the mitochondria of the cell with the addition of oxygen. The waste product such as carbondioxide is produced which is removed from the body body through lungs.
The direction of the reaction.
Answer:
Digestion of proteins is completed in the small intestine by proteolytic enzymes present in pancreatic and intestinal juices.
Explanation:
Hoped i help
Planaria<span> can be </span>cut<span> into pieces, and each piece can </span>regenerate<span> into a complete organism. crazy huh</span>
The quicker the regulation, the less energy and material wasted to unneeded products and pathways.