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Answers
Explanation:
56)Milk
57) ingestion
58) lizard
59)amoeba
60)starch
61)stomach
62)small intestine
63)villi
Answer:
Multiple Choice Questions
56. (b)
57. (c)
58. (c)
59. (d)
60. (b)
61. (b)
62. (b)
63. (c)
Short answer type Questions
39.Amoeba pushes out the pseudopodia to encircle the food and engulfs it forming a food vacuole. This process is known as phagocytosis. Amoeba has no fixed place for egestion. The undigested food gets collected inside amoeba, then its cell membrane suddenly ruptures and the undigested food is thrown out of the body of amoeba.
40. There are total 32 teeth in our mouth.
The four main types of teeth are:
Incisors - Your incisors are eight teeth in the front center of your mouth (four on both bottom and top). These are typically the first adult teeth that a child will get, coming in when the child is between six and eight years old. Incisors are the teeth that you use to bite into your food.
Canines - Your canines are the next teeth that develop in your mouth. You have four of them and they are your sharpest teeth, used for tearing apart food.
Premolars - Premolars are used for tearing and crushing food. Unlike your incisors and canines, premolars have a flat biting surface. You have eight premolars in total.
Molars - Your molars are your largest teeth. Their function is similar to that of the premolars, to grind, tear, and crush food. Molars have a large flat biting surface which makes them perfect for this job.
41. Adults have 32 teeth. You should have this full set of adult teeth by your late teens. Adult teeth include incisors, canines, premolars, and molars: 8 incisors.