Explanation

• The nose has two holes, the nostrils, which take in air from our surroundings and pass it to the lungs through the nasal passages.
• The nose is responsible for breathing, smelling, and filtering the air we breathe.

Explanation

• The Ear is the body part responsible for hearing and maintaining the body's balance.
• The ear consists of the outer ear, middle ear, and inner ear.

Explanation

Lake, sea, wetland, river, ocean, and pond are all examples of different types of water environments.

Explanation

Permanent teeth are also known as:

• Adult teeth
• Secondary teeth

Explanation

• Storage: Holds food temporarily
• Mechanical and chemical breakdown: Mixes and digests food with enzymes and acids
• Liquification: Converts food into a liquid mixture (chyme)
• Emptying: Releases chyme into the small intestine for nutrient absorption

Explanation

Wolf is a tertiary consumer because it eats both primary consumers (mice) and secondary consumers (cats).

Explanation

The amount of protein for a healthy child aged 7-14 is approximately:

• 1g per kilogram of body weight for children with minimal activity
• 1.3g per kilogram of body weight for children completing moderate levels of exercise
• 1.6g per kilogram of body weight for children carrying out intense exercise

Explanation

• Copper mineral builds red blood cells.
• It is also involved in the building of bones.

Note: According to Sindh Textbook Board, Jamshoro

Explanation

• Fats are not found in vegetables.
• Most vegetables are primarily composed of carbohydrates, water, and fiber, with very small amounts of fat.

Explanation

• The breathing centre of human body is lungs.
• Lungs are two soft spongy large balloon like organ located in the chest.
• The delicate lungs are protected by a cage of bones. This cage is called the ribcage.