Olympiad Test: Human Body and Health - Class 6 MCQ

Taste buds on the tongue detect different flavors in food and send signals to the brain for interpretation. Contrary to popular belief, different areas of the tongue do not detect specific tastes; rather, taste buds all over the tongue can sense various flavors.

Apart from touch, the skin is responsible for detecting temperature variations and sensations of pain. This sensitivity helps us avoid harm from extreme temperatures or harmful stimuli.

The joints between the vertebrae are known as intervertebral discs or sliding joints. These discs provide flexibility and cushioning, allowing movement and preventing friction between the vertebrae.

The brain is the control center of the body, responsible for coordinating and regulating various bodily functions, including muscle movement, organ function, and involuntary actions like breathing and blinking.

The liver is the largest internal organ in the human body. It performs various essential functions, including detoxification, metabolism, and the production of biochemicals necessary for digestion.

The sense of smell, or olfaction, is provided by the nose. The nose contains specialized cells responsible for detecting various scents, and these signals are sent to the brain for interpretation. Interestingly, humans can detect thousands of different smells!

The esophagus is a muscular tube connecting the mouth to the stomach. Its primary function is to transport food from the mouth to the stomach using rhythmic muscle contractions called peristalsis.

The ear is not a part of the digestive system. It is primarily associated with hearing and balance, whereas the mouth, stomach, and small intestine are vital components of the digestive process.

The vertebral column, also known as the spine, consists of 33 vertebrae in adults, which are categorized into cervical, thoracic, lumbar, sacral, and coccygeal regions.

Herbivores have a slightly longer and more complex digestive system compared to carnivores. This includes a larger and more developed small intestine, necessary for breaking down plant matter effectively.