Atypical teenage girl should consume approximately calories each day.

2200

Explanation:

The food we provide us energy in the form of calories, which is required to perform daily activities and survive. This energy allows us to breathe, walk or run, laugh and even helps in the circulation of blood in the body.

The calories varies with the age depending upon age, height, sex and activity level of the person. Calories are required to be higher during the teenage age as it is the period of rapid growth and development. In boys an average of 2800 calories in a day is required but for girls an average of 2200 calories a day is required.  

the answer is b

explanation:

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.