Don't need to explain Thank YOU! 1. It was previously believed that the primary motor cortex (precentral gyrus) directly initiated muscle movement; however, now research has shown that the _______________________ along with the secondary motor corticies (premotor cortex and supplementary motor area) initiate motor signals and muscle movement.. A. lateral parietal lobe B. post central cortex parietal lobe C. visual cortex of occipital lobe D. prefrontal areas of the frontal lobe 2. List in the correct order the m
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.
Don't need to explain Thank YOU!
1. It was previously believed that the primary motor cortex (precentral gyrus) directly initiated muscle movement; however, now research has shown that the _______________________ along with the secondary motor corticies (premotor cortex and supplementary motor area) initiate motor signals and muscle movement..
- A. lateral parietal lobe
- B. post central cortex parietal lobe
- C. visual cortex of occipital lobe
- D. prefrontal areas of the frontal lobe
2. List in the correct order the meninges of the brain from outside (most superficial) to inside (deepest).
A. dura mater; pia mater; arachnoid mater
B. arachnoid mater, pia mater, dura mater
C. dura mater; arachnoid mater; pia mater
D. pia mater; arachnoid mater, dura mater
3) an interneuron is used to inhibit or "quiet down" the antagonistic muscles for the reflex action
A. True
B. False
Step by step
Solved in 2 steps
