About the Adrenal Glands. Your two adrenal glands are small, triangular-shaped endocrine glands located on the top of each kidney. Each adrenal gland is approximately 3 inches wide, and a half inch high. Each gland is divided into an outer cortex and an inner medulla. The cortex and medulla of the adrenal gland secrete different hormones.
A complex sentence is made up of one independent clause and one or more dependent clauses. Before we arrived at school, we met up at the coffee house across the street. We met up at the coffee house across the street [independent] + before we arrived at school (dependent) = complex sentence.
There are two special types of compound sentences which you might want to note. First, rather than joining two simple sentences together, a co-ordinating conjunction sometimes joins two complex sentences, or one simple sentence and one complex sentence. In this case, the sentence is called a compound-complex sentence :