Science prep

Front

What are the two main parts of the nervous system?

Back

The central nervous system (CNS) and the peripheral nervous system (PNS).

Front

What is a gland?

Back

A structure of the endocrine system that secretes hormones.

Front

Why are the walls of the alveoli only one cell thick?

Back

To allow for efficient gas exchange.

Front

What is the importance of biodiversity in an ecosystem?

Back

It ensures ecosystem productivity and balance.

Front

What is biomagnification?

Back

The increase in concentration of pesticides/insecticides in organisms at higher trophic levels.

Front

What is the function of the central nervous system?

Back

To process information and coordinate responses.

Front

What role do hormones play in the body?

Back

They act as chemical messengers that regulate various physiological processes.

Front

What is the function of alveoli in the lungs?

Back

To facilitate gas exchange between the air and blood.

Front

How does biodiversity contribute to ecosystem resilience?

Back

It allows ecosystems to recover from disturbances and maintain functionality.

Front

What is the difference between a neuron and a gland?

Back

A neuron transmits signals, while a gland secretes hormones.