Exploring Organ Functions and Metrics

What is the primary function of the heart?

• To produce hormones for digestion.

• To pump blood throughout the body.

• To regulate body temperature.

• To filter toxins from the blood.

How many significant figures are in the number 0.00456?

• 4

• 3

• 5

• 2

Convert 2500 milliliters to liters.

• 2.5 liters

• 1.5 liters

• 250 liters

• 3 liters

What organ is responsible for filtering blood?

• Kidneys

• Liver

• Lungs

• Heart

How many significant figures are in the measurement 120.00?

• 5

• 6

• 4

• 3

Convert 5 kilometers to meters.

• 5000 meters

• 50 kilometers

• 500 meters

• 5,000 kilometers

What is the main function of the lungs?

• To produce hormones

• To regulate body temperature

• The main function of the lungs is gas exchange.

• To filter blood impurities

How many significant figures are in the number 0.00340?

• 5

• 4

• 3

• 2

Convert 100 grams to kilograms.

• 0.01 kilograms

• 0.1 kilograms

• 1 kilogram

• 10 kilograms

What organ system includes the brain and spinal cord?

• Central Nervous System

• Peripheral Nervous System

• Endocrine System

• Circulatory System