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Do humans have a complete or incomplete digestive system?
Humans have a complete digestive system. Incomplete Digestive System: one opening that takes in food and expels waste Complete Digestive System: two openings and a food tube to make sure there is no mixing of food and wastes.
Two organs of the human digestive system?
One is the stomach
Do earthworms have one opening in its digestive system?
yes, planarians have one opening in their digestive system
Does an oyster have a one-way or two-way digestive system?
Oysters have a two way digestive system. This means that they only have on opening for both food to go in and to come out.
Do clams have a complete or incomplete digestive tract?
They have complete digestive system.
Which two organ system break down foods?
There is only one organ system that breaks down food. That is the digestive system. However the digestive system uses two processes to break the food down. They are physically and chemically.
The pancreas is part of two system and the endocrine system and the?
The endocrine & Digestive.
How many longitudinal nerves does a planarian have?
A planarian has two longitudinal nerve cords that run along its body length. These nerve cords are connected by transverse nerves, forming a ladder-like nervous system.
What are the two big dots on a planarian's head?
The two big dots on a planarian's head are its eyespots, which detect light and help the planarian navigate its environment. They are simple light-sensitive structures that allow the planarian to differentiate between light and dark. They also help the planarian avoid predators and find food.
What are two jobs the digestive system does for your body?
The digestive system processes your food and extracts nutrients from it.
What are th two types of digestive system?
The two main types of digestive systems are the complete digestive system and the incomplete digestive system. A complete digestive system features a one-way tract, allowing for the efficient processing of food from ingestion to excretion, as seen in humans and most animals. In contrast, an incomplete digestive system has a single opening for both ingestion and excretion, typical of organisms like jellyfish and flatworms. These systems reflect different evolutionary adaptations to nutrient processing and absorption.
What are two functions of the digestive system?
The first of the two functions of the digestive system is to break down nutrients. The second function is the absorption of nutrients.
