My Life Hangs in the Balance

What is the primary function of the human respiratory system?

• To transport nutrients throughout the body

• To exchange gases between the body and the environment

• To break down food into energy

• To protect the body from pathogens

Which of the following best describes homeostasis?

• The process of cell division

• The maintenance of a stable internal environment

• The conversion of glucose to energy

• The transmission of genetic information

Tags

NGSS.HS-LS1-3

What is the role of insulin in the human body?

• To increase blood pressure

• To regulate blood sugar levels

• To aid in digestion

• To transport oxygen

Tags

NGSS.HS-LS1-3

Which organ is primarily responsible for filtering blood in the human body?

• Liver

• Heart

• Kidneys

• Lungs

What is the main component of the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is an example of a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn