Explanation

• The Ear is made up of both internal and external parts.
• The external part is the visible outer ear.
• The internal parts include the middle ear and the inner ear.
• Which contain the cochlea and the vestibular system.

Explanation

• Most headaches are caused by irritation or inflammation of the nerves in the head and neck, rather than the brain itself.
• This can be due to various factors such as tension, stress, or medical conditions.

Explanation

Vitamin D is found in:

• Milk (fortified milk and dairy products)
• Cod liver oil (and other fatty fish oils)
• Sunlight (our bodies produce vitamin D when exposed to sunlight)

Additionally, vitamin D is also found in:

• Fatty fish (like salmon, mackerel, and sardines)
• Fortified cereals and orange juice
• Egg yolks
• Mushrooms (some types, like shiitake and portobello)

Explanation

• When the half of the Earth is facing the Sun, it experiences Day, as the Sun's light illuminates that region.
• The other half of the Earth, facing away from the Sun, experiences Night.

Explanation

• Solids, liquids, and gases can mix together to form a mixture.
• Which is a physical combination of two or more substances in which each substance retains its chemical properties.

Explanation

• Hygiene refers to the practice of maintaining cleanliness and purity to promote health and prevent disease.
• It includes habits such as washing hands regularly, bathing, brushing teeth, and wearing clean clothes.

Explanation

• The skeleton provides a structural framework that supports and protects the internal organs of the human body, such as the brain, heart, lungs, and digestive organs.
• It also allows for movement, produces blood cells, and stores minerals.

Explanation

There are 26 bones in the human foot and 27 bones in the human hand.

The foot has:

• 7 tarsal bones
• 5 metatarsal bones
• 14 phalanges (toe bones)

The hand has:

• 8 carpal bones
• 5 metacarpal bones
• 14 phalanges (finger bones)

Explanation

• Iron is a ferromagnetic material, which means it is strongly attracted to magnets.
• Therefore, an iron kettle will be attracted to a magnet.

Explanation

• As temperature increases, the heat energy of a substance also increases.
• This is because temperature is a measure of the average kinetic energy of the particles in a substance, and as temperature increases, the particles gain kinetic energy and therefore heat energy.