Which vessel type regulates the amount of blood a particular area receives?

A) arteries
B) arterioles
C) capillaries
D) venules
E) veins

Which statement is true about invertebrate animals?

A) The vast majority of animal species are invertebrates.
B) Many invertebrate species live in a marine environment.
C) Most animal phyla are invertebrates.
D) All major invertebrate groups arose from protistan ancestors.
E) All of the answer choices are true statements about invertebrates.

The energy stored in ATP is a form of ________ energy.

A) mechanical
B) chemical
C) kinetic
D) heat
E) electrical

What are the most abundant phagocytic cells in humans?

A) basophils
B) dendritic cells
C) eosinophils
D) lymphocytes
E) neutrophils

The function of a bursa is to

A) provide support for a weak joint.
B) provide a fluid-filled cushion that reduces friction.
C) increase the articulating surface at a joint.
D) bind ligaments to bones.
E) produce fluid.