Complete the following sentences.
Endocrine glands release hormones directly into___________for transportation to the __________

Explanation

To complete the sentences, we need to identify the correct terms to fill in the blanks based on the information provided about endocrine glands.

1. **Understanding Endocrine Glands**: Endocrine glands are also known as ductless glands. They release hormones directly into the bloodstream.

2. **First Blank**: Since endocrine glands release hormones into the bloodstream, the first blank should be filled with "bloodstream."

3. **Transportation of Hormones**: The hormones released into the bloodstream travel through the blood to reach their specific target organs or effector organs.

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