Elegir Select the correct demonstrative adjectives and pronouns. 1. Esos pantalones negros son elegantes, pero prefiero [1] 2. El vendedor me ofreció esos guantes cuando busqué [2] gafas de sol. 3. No quieren esos pantalones cortos.  Prefieren [3] jeans. 4. Adriana piensa que [4] traje de baño es feo. 5. A mí me gusta mucho esta chaqueta, pero voy a comprar [5].

Match the sentences that form logical pairs

The hormones T3 and T4 are produced in what organ?

What is the effect of vagal parasympathetic stimulation on the heart rate and coronary blood flow:

Name the organ that produces secretin and cholecystokinnin (CCK)?

Which cells of the testicle produce estrogens and are prone to develop tumors?

The respiratory pathway with air except the alveoli is called:

What will be the effect of decrease in blood pressure on the amount of glomerular filtrate formed?

Prostaglandin hormones are produced in many tissues, have mostly local action, are deactivated in the liver and lungs, and are made up of a 20-carbon structure?

The maturation and storage of sperm occur in epididymus.