Biology trivia flashcard

Front

How many neurons are in a human brain?

Back

The human brain contains approximately 100 billion neurons.

Front

How much DNA do humans share with a banana?

Back

Humans share about 60% of their DNA with bananas.

Front

How many times per day can a woodpecker peck?

Back

A woodpecker can peck up to 12,000 times per day.

Front

At what speed are nervous system signals transmitted?

Back

Nervous system signals are transmitted at a speed of 100 meters per second.

Front

How much food can your stomach hold at one time?

Back

The human stomach can hold about 4 pounds of food at one time.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries genetic information.

Front

What is the function of the brain?

Back

The brain controls thoughts, memory, emotions, touch, vision, breathing, and many other functions.

Front

What is the role of neurons?

Back

Neurons transmit signals throughout the body, allowing communication between the brain and other parts.

Front

What is the function of the stomach?

Back

The stomach breaks down food using acids and enzymes.