Which of the following lists best illustrates the idea of increasing complexity from the smallest to the highest level?    

Which kind of cellular component release substances that may help prevent blood clotting (heparin) and promote inflammation (histamine)?    

The three auditory ossicles are the malleus, incus, and the …………………………….    

Communicates with other parts of the CNS by tracts; integrates sensory information concerning the position of body parts. What coordinates do muscle activities maintain posture?    

The membrane of the neuron is a polarized membrane, with more …. ions inside the cell, more …. ions outside the cell.    

Compact bone consists of cylindrical units called ……….   and spongy bones consist of branching plates called ………           

A bundle of nerves that stem from nerve roots in the cervical (neck) and upper trunk (torso) sections of the spinal cord (C5-T1), creates a network that connects to the nerves in the arm. (Indicates with the number 2).

During an impulse, the portion of the axon actively conducting the action potential is not able to respond to another threshold stimulus of normal strength. This is called the ……………………………….    

The _____ maintains homeostasis by regulating a wide variety of visceral activities and by linking the endocrine system with the nervous system.    

Which of the following structures is responsible for detecting sound waves in the ear?