Q: Blood vessels blood pumped by the heart flows through a series of vessels known as arteries, arterioles, capillaries, venules, and veins before returning to this? Choices: - lungs - feet - brain - heart A:
heart

(Question)
Q: What is the condition called where pimples form on the skin? Choices: - blushing - cramping - dermatitis - acne A:
(Answer)
acne

Ques: Q: When a metal is oxidized and a nonmetal is reduced in a redox reaction, what is the resulting compound called? Choices: - soluble compound - alloy - magnetic compound - ionic compound A:
Ans: ionic compound

(Q).
Q: Amylase and pepsin are examples of enzymes needed for what process? Choices: - fermentation - absorption - filtration - digestion A:
(A).
digestion

Ques:Q: What creates charged regions in a water molecule? Choices: - nonpolar bonds - ionic bonds - noncovalent bonds - polar covalent bonds A:

Ans:polar covalent bonds

Q: Alchemy helped improve the study of metallurgy and the extraction of metals from what? Choices: - air - water - wood - ores A:
ores