Lesson: Excretion and Homeostasis

Multiple Choice

Homeostasis is_____

• A disease

• A type of molecule

• an organ of the body

• the process by which the body regulates its internal environment

Multiple Choice

Which of these is NOT filtered out of the blood during the first filtration

• glucose

• water

• salt

• protein

Multiple Choice

During the second filtration_____

• water and glucose are absorbed back into the bloodstream

• protein is absorbed back into the bloodstream

• protein leaves the bloodtream

• water and glucose leave the bloodstream

Multiple Choice

Which gas must be expelled by the lungs to prevent the blood from becoming too acidic?

• oxygen

• hydrogen

• carbon dioxide

• helium