Olibits / Science / Human Body Enrichment
Primary 4 Science: Human Body Enrichment Practice
Real Primary 4 Science questions on Human Body Enrichment, pulled directly from the Olibits question bank — the same questions a child would actually see, not separately written for this page.
MOE strand: Discovery Science
Curriculum alignment
Science Teaching & Learning Syllabus, Primary Three to Six (MOE, 2023 syllabus)
Science is not a taught subject at P1/P2 under MOE's own syllabus — our P1/P2 Science content is offered as enrichment beyond the official syllabus, not as a claim of syllabus coverage at those grades.
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Real Human Body Enrichment practice questions
Undigested food waste finally leaves the body through the...?
Anus ✓
Windpipe
Mouth
Nose
Solid waste that the body cannot use passes out of the body through the anus.
Which type of teeth are mainly used for tearing food?
Incisors
Molars
Premolars
Canines ✓
Canines are the pointed teeth used mainly for tearing tougher food.
Which type of teeth are mainly used for cutting food into smaller pieces?
Incisors ✓
Canines
Molars
Premolars
Incisors are the flat, sharp-edged front teeth used for cutting/biting food.
How does swallowed food actually move down the oesophagus (food pipe) towards the stomach?
Gravity alone pulls it straight down
Squeezing, wave-like muscle movements push it along, even if you are upside down ✓
It floats down on a layer of saliva
It is pulled down by the stomach acid alone
Wave-like muscle contractions (peristalsis) push food down the oesophagus, which is why you can still swallow even upside down.