SCIENCE FORM 3

Front

What is a voluntary action?

Back

A voluntary action is a movement or behavior that is controlled by the individual, such as talking or walking.

Front

What part of the human eye is responsible for focusing light?

Back

The cornea is the part of the human eye that helps to focus light.

Front

How can we improve air quality?

Back

Using lead-free fuel in vehicles can help improve air quality.

Front

Which animal is known for having excellent night vision?

Back

The tiger is known for having excellent night vision.

Front

What is the function of the olfactory bulb in the human nose?

Back

The olfactory bulb detects and sends smell impulses to the brain.

Front

What is peristalsis?

Back

Peristalsis is the involuntary contraction of muscles in the digestive tract that moves food along.

Front

What is the role of the iris in the eye?

Back

The iris controls the amount of light that enters the eye by adjusting the size of the pupil.

Front

What is the function of mucus in the nasal cavity?

Back

Mucus moistens the nasal cavity and helps trap dust and germs.

Front

What is the optic nerve?

Back

The optic nerve transmits visual information from the retina to the brain.

Front

What is the difference between voluntary and involuntary actions?

Back

Voluntary actions are controlled by the individual, while involuntary actions happen automatically without conscious control.