Ques:You are presented with the question "Where do endocrine glands secrete?" and the following answer choices: - plasma - Chemical energy - Energy. - lungs - heart - Energy - alveoli - bloodstream Now knowing that endocrine hormones travel throughout the body in the blood and endocrine glands secrete directly into the blood, choose the best answer.

Ans:bloodstream
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Ques:You are presented with the question "Where do leeches live in relation to their hosts?" and the following answer choices: - In their beds - body water - competing for resources - In their shoes - loose soil - In their intestines - important habitats - On their surface Now knowing that some parasites live on the surface of their host and leeches are external parasites, choose the best answer.

Ans:On their surface
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Ques:You are presented with the question "what is distance measured in?" and the following answer choices: - velocity - feet - rate - arteries - inches - Mountains - Newton - time Now knowing that atape measure is used to measure length and measurements are taken in inches with a tape measure, choose the best answer.

Ans:inches
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Ques:You are presented with the question "What has a positive impact on human's health?" and the following answer choices: - sweating - stay warm - playing - flu - food - muscle - cancer - virus Now knowing that exercise has a positive impact on a human 's health and exercise builds muscle, choose the best answer.

Ans:
muscle
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