Which of the following structures are adaptations that increase the surface area of the small intestine?  Please read all answer choices CAREFULLY, then choose ALL the structures that increase the surface area of the small intestine.

Which papillae of the tongue are keratinized?

Which of the following is the correct path that bile takes to get to the gallbladder after it is synthesized by the hepatocytes?

The menstrual cycle includes the events of the ovarian cycle and the uterine cycle.  1) List the three phases of the ovarian cycle, and the days of the menstrual cycle on which each phase occurs. (1.5 points) 2) List the three phases of the uterine cycle, and the days of the menstrual cycle on which each phase occurs. (1.5 points)

Bile is essential for the digestion of which of the following nutrients?

In the penis, the erectile body known as the  corpora cavernosa prevents compression of the urethra during erection.

Which region of the adrenal gland secretes the neurohormones epinephrine and norepinephrine?

The descending limb of the loop of Henle is highly permeable to water, while the ascending limb of the loop of Henle is highly permeable to ions

Trace the flow of a drop of blood through the kidney. Start with the blood vessel that carries blood into the kidney, and end with the blood vessel that carries blood out of the kidney (0.25 pt/blank) For this question, please use ONLY those blood vessels that are associated with CORTICAL NEPHRONS. The blood vessel that branches from the aorta to enter the kidney at the renal hilum is called the [a1]. After this, the blood vessels begin to branch, and blood flows through the following blood vessels: [a2] –> [a3] –> [a4] –> [a5] –>[a6] –> [a7] –> [a8] –> [a9] –> [a10] –> [a11] –> [a12] –> [a13] –> inferior vena cava

Place the following events in synaptic transmission at a cholinergic synapse in order: A – A postsynaptic potential is produced; B – Voltage gated calcium channels open and calcium enters the cell; C – ACh is released and diffuses across the axon terminal; D – A nerve signal arrives at an axon terminal; E – Ligand gated sodium channels open and sodium enters the cell.