Match the following glands with their respective functions by filling in the blank with the letter of the function.

pineal
Functions

A. Control and balance levels of calcium and phosphate in blood and tissue fluids
B. Secretes androgen hormones, including testosterone and estrogen
C. Involved in regulating the body's sugar levels
D. Regulates the sleep-wake cycle
E. Secretes chemicals that dramatically alter energy levels
F. Produces hormones that control the rate at which cells burn fuels from food

to produce energy

Answer:
Pineal: D. Regulates the sleep-wake cycle

To match the glands with their respective functions, you can use the descriptions of the functions to identify which letter corresponds to each gland.

The options for the functions are:

A. Control and balance levels of calcium and phosphate in blood and tissue fluids
B. Secretes androgen hormones, including testosterone and estrogen
C. Involved in regulating the body's sugar levels
D. Regulates the sleep-wake cycle
E. Secretes chemicals that dramatically alter energy levels
F. Produces hormones that control the rate at which cells burn fuels from food

Now, let's match each gland with its function:

pineal gland:
D. Regulates the sleep-wake cycle

So, the correct answer is:

pineal gland: D

Match the following glands with their respective functions by filling in the blank with the letter of the function.

pineal
Functions

A. Control and balance levels of calcium and phosphate in blood and tissue fluids
B. Secretes androgen hormones, including testosterone and estrogen
C. Involved in regulating the body's sugar levels
D. Regulates the sleep-wake cycle
E. Secretes chemicals that dramatically alter energy levels
F. Produces hormones that control the rate at which cells burn fuels from food

pineal
D. Regulates the sleep-wake cycle