Q: The heart, blood vessels, and blood make up which system in the body? Choices: - digestive - pulminary - respiratory - cardiovascular A:
cardiovascular

Q: What is the hollow sac like organ that stores urine until it is excreted? Choices: - kidney - ureter - tumor - bladder A:
bladder

Q: Q: By what kind of change can a chemical change be reversed? Choices: - another carbon change - another thermal change - another radioactive change - another chemical change A:
A: another chemical change

Question: Q: Elements that do not need to conduct electricity are known as what? Choices: - alloys - carbonates - silicates - nonmetals A:
Answer: nonmetals

*Question*
Q: The thalamus acts as a gateway to and from what? Choices: - pons - medulla oblongata - spine - cortex A:
**Answer**
cortex

(Q).
Q: What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell? Choices: - physical transport - impassive transport - immune transport - passive transport A:
(A).
passive transport