Explanation

The calyx is the outermost whorl of a flower, consisting of sepals, which are usually green and leaf-like.

It protects the inner parts of the flower, especially in the bud stage, before blooming.

Explanation

A typical animal cell contains a central nucleus.

Whereas a plant cell has a cell wall and a large central vacuole.

Animal cells lack a cellulosic cell wall and large central vacuole, which are found in plant cells.

Explanation

Both senses detect chemicals—smell through the nose and taste through the tongue.

They work together to enhance flavor perception.

Explanation

Cellulose is a structural component of plant cell walls, absent in animal cells.

Animal cells lack a rigid cell wall and instead have a flexible plasma membrane.

Explanation

The sclera is the tough, white outer layer of the eye that provides protection and structure.

It surrounds most of the eyeball, except for the cornea at the front.

Explanation

When the thoracic cavity expands, lung pressure decreases, causing air to flow in (inhalation).

This follows Boyle’s Law, where increased volume leads to decreased pressure.

Explanation

Explanation

 The science of treating the muscular and skeletal system, also known as the musculoskeletal system, is called orthopedics. 

Explanation

 The pulse rate is a measurement of the heart rate, or the number of times the heart beats per minute. 

Explanation

 The main purpose of white blood cells, also known as leukocytes, 

  They protect the body from infection and disease by fighting off harmful pathogens and other foreign substances.