RANDOM 1
RANDOM 2
RANDOM 3
RANDOM 4
RANDOM 5
100

This organ pumps blood throughout the body.

HEART

100

The process by which plants make their own food using sunlight.

PHOTOSYNTHESIS

100

The force that pulls objects toward Earth.

GRAVITY

100

This body system helps you breathe.

RESPIRATORY SYSTEM

100

The nearest star to Earth.

SUN

200

This scientist developed the three laws of motion.

ISAAC NEWTON

200

The basic unit of life.

CELL

200

This blood type is known as the universal donor.

TYPE O
200

The largest organ in the human body

SKIN

200

This planet has the most extensive ring system.

SATURN

300

This organelle is known as the "powerhouse of the cell."

MITOCHONDRIA

300

The pH of a neutral solution.

7

300

This scientist proposed the theory of evolution by natural selection.

CHARLES DARWIN

300

The largest artery in the human body.

AORTA

300

This process produces genetically identical cells.

MITOSIS

400

The bending of light as it passes from one medium to another.

REFRACTION

400

The most abundant element in the universe

HYDROGEN

400

The process by which organisms maintain a stable internal environment.

HOMEOSTASIS

400

This part of the brain is responsible for balance and coordination.

CEREBELLUM

400

The number of chromosomes found in a normal human body cell.

46

500

The process by which RNA is synthesized from DNA.

TRANSCRIPTION

500

This particle has no charge and is found in the nucleus of an atom.

NEUTRON

500

This organelle contains digestive enzymes that break down waste materials.

LYSOSOME

500

This organelle is responsible for modifying, sorting, and packaging proteins.

GOLGI APPARATUS

500

This molecule carries genetic instructions in living organisms.

DNA