Ques:Q: Respectively, which parts of the circulatory system carry blood from the heart toward capillaries, and return blood to the heart from capillaries? Choices: - parasites and veins - arteries and capillaries - organs and veins - arteries and veins A:

Ans:arteries and veins
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Ques:Q: What are the two types of vascular tissue? Choices: - ectoderm and phloem - phloem and phlegm - cytoplasm and ectoplasm - xylem and phloem A:

Ans:xylem and phloem
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Ques:Q: Australopithecus afarensis is an ancestor of what primate? Choices: - lemurs - orangutans - gorillas - humans A:

Ans:humans
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Ques:Q: What carry messages from our sensory organs and others to the central nervous system? Choices: - fibers - valves - blood vessels - nerves A:

Ans:
nerves
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