Question: Choose your answer.

Which of the following can provide the human body with long-term immunity against some diseases?
My Answer: vaccines

Question: Choose your answer.

Which of the following systems breaks food into nutrients that can be used by the body?
My Answer: digestive

Question: Choose your answer.

Which tool would be best to use for counting the number of legs on an ant?
My Answer: hand lens

Question: Choose your answer.

The heart, veins, arteries, and capillaries make up which organ system?
My Answer:
circulatory