It is possible that a few key mutations in homeotic genes might produce new species

A large vein that carries deoxygenated blood to the heart is called

What type of blood vessel joins arterioles to venules?

The ear has two functions – hearing and ____.

Where is the site of T-Cell maturation

What are two disadvantages to having an octopus as a pet?

The right sternocleidomastoid is functionally similar to the right external abdominal oblique in that when contracting concentrically, they both cause their respective segments of the spine to _______.

Secondary lymphatic organs include lymph nodes and ______.

During resting (when no impulses are being received) what ion is most commonly found outside the nerve cell?

We discussed giving antibiotics for viral diseases.  Name one reason this might be done AND one reason it should not be done.