NUTRITION IN ANIMALS

1. AMOEBA :

1.1. UNICELLULAR

1.2. NUTRITION

1.2.1. PSEUDOPODIA

1.2.1.1. FALSE FEET OF AMOEBA USED TO ENGULF FOOD

1.2.1.2. JOINS TO FORM CAVITY NAMED FOOD VACUOLE

1.2.1.3. FOOD INSIDE THE FOOD VACUOLE IS DIGESTED BY DIGESTIVE JUICES.

2. Guidelines

2.1. No criticism or flaming allowed

2.2. Anything goes!

2.3. The Wilder The Better

2.4. Quantity is Quality

2.5. Set a Time Limit

3. STEPS OF DIGESTION

3.1. INGESTION

3.1.1. TAKING IN OF FOOD

3.2. DIGESTION

3.2.1. THE BREAKDOWN OF FOOD

3.3. ABSORPTION

3.3.1. THE ABSORBTON OF FOOD INTO BLOOD

3.4. ASSIMILATION

3.4.1. PROCESS OF UTILIZATION

3.5. EGESTION

3.5.1. ELIMINATION OF UNDIGESTED PARTS

4. HYDRA

4.1. MULTICELLULAR

4.2. IT HAS A NUMBER OF TENTACLES USED FOR INGESTION

4.3. THE TENTACLES ENTANGLE SMALL AQUATIC ANIMALS AND KILL THEM WITH STINGING CELLS.

4.4. THEY ARE THEN PUSHED INSIDE THE MOUTH.

5. HUMAN DIGESTIVE SYSTEM

5.1. FOOD IS INGESTED THROUGH MOUTH

5.2. AFTER INGESTION, IT SLIDES DOWN INTO OESOPHAGUS WHICH LEADS THE FOOD TO STOMACH .

5.3. STOMACH MUSCLES SQUEEZE AND MIX FOOD WITH DIGESTIVE JUICES

5.4. DIGESTIVE JUICES BREAK DOWN DOWN PROTEINS. THE FOOD GETS COMPLETELY DIGESTED IN SMALL INTESTINE.

5.5. LAST STEPS OF DIGESTION TAKE PLACE IN SMALL INTESTINE

5.6. ABSORPTION OF FOOD OCCURS N SMALL INTESTINE.

5.7. ASSIMILATION IS THE FINAL STAGE OF DIGESTION .

5.8. THE FOOD THAT ISN'T DIGESTED / USED UP IN DIGESTION, INGESTION , ABSORPTION AND ASSIMILATION IS MOVED TO LARGE INTESTINE .

5.9. HERE WATER PRESENT IN WASTE IS ABSORBED . SOLID WASTE IS STORED IN RECTUM AND IS PASSED OUT OF THE BODY THROUGH THE ANUS.

6. RUMINANTS

6.1. LARGE PLANT EATING ANIMALS THAT DIGEST FOOD IN TWO STEPS

6.1.1. EXAMPLE. COWS , GOATS AND SHEEP

6.1.2. FOOD THAT IS SWALLOWED GOES TO RUMEN . HERE IT IS PARTIALLY DIGESTED (CUD) .

6.1.3. FROM THERE IT GOES TO SECOND CHAMBER AND HERE IT IS RETURNED TO THE MOUTH FOR CHEWING. THIS PROCESS IS CALLED RUMINATION.