Question on: SS2 Biology - Digestive System
Cockroaches have malpighian tubules, which are responsible for excreting waste products and regulating water balance. These tubules actively transport nitrogenous waste and other metabolic byproducts from the hemolymph into the gut, where they are eliminated along with feces.
Both humans and birds have complete digestive systems with specialized organs for digestion. However, humans have a longer small intestine for efficient nutrient absorption, while birds have a shorter intestine adapted for rapid digestion of a primarily carnivorous or omnivorous diet. Additionally, birds have a specialized beak and crop for food intake and storage, whereas humans have teeth and a salivary gland to initiate the breakdown of food.
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