What kind of digestive system does a flatworm have?
incomplete digestive system
Does a flatworm have a brain?
Flatworms’ bodies are bilaterally symmetrical and they have a defined head and tail region. They have a central nervous system containing a brain and a nerve cord. Clusters of light-sensitive cells on either side of their head make up what are called eyespots.
Do flatworms use intracellular digestion?
Intracellular Digestion Most animals with soft bodies use this type of digestion, including Platyhelminthes (flatworms), Ctenophora (comb jellies), and Cnidaria (coral, jelly fish, and sea anemones). The gastrovascular cavities of these organisms contain one open which serves as both a “mouth” and an “anus”.
What system removes waste from the body?
The urinary system works as a filter, removing toxins and wastes from your body through urine. It uses a series of tubes and ducts to pass this waste. These tubes are connected to your blood vessels and digestive system. Your urinary system helps the rest of your body work properly.
What happens if excretory materials are not removed from your body?
Answer: If these wastes are not removed, your cells can stop working, and you can get very sick. The organs of your excretory system help to release wastes from the body. The organs of the excretory system are also parts of other organ systems.
Why should the waste be removed from the body?
Wastes should be removed from our body to keep it free from toxins. Otherwise the deposition of wastes would release toxic substances into the blood which will get circulated. Animals gradually adapt to the surroundings in which they live to survive.
Why are waste products removed from the body?
Excretion is the removal from the body of waste products which result from normal life processes. Waste products such as carbon dioxide must be removed. If they are allowed to accumulate they cause poisoning which slows down vital chemical reactions.
What happens if harmful products are not removed from your body everyday?
Your body also needs to remove the wastes that build up from cell activity and from digestion. If these wastes are not removed, your cells can stop working, and you can get very sick. The organs of your excretory system help to release wastes from the body.
What products which would cause harm to the body if they are not removed?
Answer: Excess nitrogen which is excreted out as urea and all the other metabollic wastes and carbon dioxide released by cells or else they will harm the body.
How do we know that we need food?
1)we need food to live in this world. 3)we need food to survive our life. 4)food provides us nutrition. 5)food gives us energy to grow.