A. many parts of the brain appear to have no useful function in today's world. b. losses of small areas of certain parts of the brain rarely cause devastating, often permanent, losses of function. c. all the brain areas become active on brain scans at one time or another as we think, feel, and perceive. d. every part of the brain has a redundant backup, which is why brain injuries are so rarely serious.

What's the question to these answers?

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.

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)