Your friend has experienced excessive daytime sleepiness. He is laughing with you and suddenly falls to the ground. Your friend is probably suffering from __________

What percentage of Americans aged 65 and older support homosexual marriage?

a. 5% b. 15% c. 25% d. 35%

The glandular secretions that affect bodily functions or behavior are collectively known as __________

Fill in the blank(s) with correct word