The right side of a boat, looking to the bow, is called the ____ side.

Cerebrospinal fluid is produced continuously

a. True b. False

The ________ valve (letter L) has three cusps, is situated between the right atrium and the right ventricle, and prevents blood from flowing back into the right atrium when the right ventricle contracts.

Fill in the blank(s) with the appropriate word(s).