Q: Which system consists of all the bones of the body? Choices: - circulatory system - nervous system - digestive system - skeletal system A:
skeletal system

(Question)
Q: What does an underwater spider use to breathe and keep alive? Choices: - forehead air bubble - gills - metallic air bubble - shiny air bubble A:
(Answer)
shiny air bubble

Ques: Q: What is the amide bond that occurs between the amino nitrogen of one amino acid and the carboxyl carbon of another amino acid? Choices: - a covalent bond - a magnetite bond - a amino bond - a peptide bond A:
Ans: a peptide bond

(Q).
Q: What are the tiny sacs in the lungs where gas exchange takes place? Choices: - vacuoles - ganglion - chambers - alveoli A:
(A).
alveoli

Ques:Q: The term "vapor" refers to the gas phase when it exists at a temperature below what? Choices: - contaminated temperature - freezing temperature - liquid temperature - boiling temperature A:

Ans:boiling temperature

Q: Pressure, volume, and temperature are related by which law? Choices: - Law of Conservation - law of inertia - Murphy's Law - gas law A:
gas law