Biology

B.To transport hormones to distant target cells

Explanation:

The bloodstream plays a key role in hormone signaling by acting as the transport system for hormones, which are secreted by endocrine glands into the blood. The hormones travel through the bloodstream to reach distant target cells and organs, where they bind to specific receptors and trigger physiological responses. This allows hormones to regulate various bodily functions, including growth, metabolism, immune response, and reproduction.

A.The bloodstream does not carry neurotransmitt...