Question

1.Do plants also need oxygen?
2.How does food passes through alimentary canal?
3.What regulate the exit of food from the stomach into small intestine?
4.In which part of the alimentary canal food is completely digested absorbed?
5.In which cell organelle breakdown of pyruvate takes place using oxygen?
6.Which structures stop backward flow of blood in atria and ventricles?
7.The filtered urine is collected in which part of nephron?
8.Which part of the plant excretes some waste substances into the soil?
9.Name the process used to remove urea from the blood.
10.
The process by which evaporation of water from the plants mainly through the stomata.​

Answer 1

Answer:

1)Yes plants need oxygen.

2)The food we swallow goes from our mouth to food pipe by changing its shape.

Answer 2

Answer:

1. yes plants also need oxygen
2. after chewing food properly tongue pushes the food backward towards the alimentary canal through which the food travels and reaches stomach and other digestion and vital organs.
3. large and small intestine help in exit of food from our body.
4. food are absorbed in the duodenum region of of alimentary canal.
5. this breakdown takes place at mitochondria.
6. valves present in our heart , artery and vein prevents backward flow of blood in our body.
7. filtered urine is stored at nephron.
8. roots of plants excrete some waste in soil.
9. the process is called filtration.
10. this phenomenon is called transpiration

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