Q: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs? Choices: - left ventricle - left bivalve - left atrium - right atrium A:
right atrium

(Question)
Q: Respiration cycles the organic carbon into which gas? Choices: - liquid dioxide - phosphorus dioxide - oxygen - carbon dioxide A:
(Answer)
carbon dioxide

Ques: Q: What system is responsible for defending your body against sickness? Choices: - nervous system - circulatory system - digestion system - immune system A:
Ans: immune system

(Q).
Q: What part of the plant has a root end and a shoot end? Choices: - radius - leaves - pistol - axis A:
(A).
axis

Ques:Q: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun? Choices: - the corona - the protector - the coma - the atmosphere A:

Ans:the atmosphere

Q: Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what? Choices: - viscosity - insolubility - salinity - solubility A:
solubility