Exam 22: The Animal Body and How It Moves

List three major evolutionary changes that occurred in animals,leading to greater complexity and specialization.

An advantage that deuterostomes have over protostomes is that each embryonic cell retains the capacity to develop into a complete individual.

An __________________ is a group of organs that work together in the body to perform a particular function.

_______________________ is only a single cell layer thick and lines the major body cavities.

Muscle contraction occurs because:

Which of the following is not a class of tissue?

___________________ surround the body as a rigid,exterior case,and are exhibited in arthropods.

Columnar epithelium is found lining the:

Choose the bone or set of bones that belong to the appendicular portion of the human skeleton.

__________________ are the nerve cells of the body.

Animals with the kind of body cavity that forms between the endoderm and mesoderm,such as nematodes,are called:

The organ system of the human body that removes metabolic wastes from the bloodstream is the _______________ system.

Which of the following is mismatched?

Describe the nature and function of connective tissues.

The outer layer of bone,referred to as _______________,is dense and strong.

The body contains 11 different organ systems.The ___________ system is responsible for secreting the hormones that help integrate the body's activities.

The type of cleavage seen in deuterostomes is called _____________ cleavage.

The special type of muscle found only in the heart is __________ muscle.

Bodies which have a right half and a left half show ________________ symmetry.

A neuron that stimulates a muscle cell is called a(n)________________.