There are three types of muscle found in the body. Where are the three types found? heart, brain, skeletal muscle
heart, blood vessel walls, bones
heart, skeletal muscle, blood vessel walls
skeletal muscle, blood vessel walls, pancreas

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hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

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