Friday, January 20, 2012 Objective : Review for quiz BR:Compare & Contrast the Pons & Medulla Oblongata (write one sentence for comparing and one sentence

Friday, January 20, 2012

Objective: Review for quiz

BR: Compare & Contrast the Pons & Medulla Oblongata (write one sentence for comparing and one sentence for contrasting)




4 MINUTES REMAINING…









Friday, January 20, 2012Last chance to view BR – 1 min



Quiz tomorrow!!

30 Seconds Remaining…

10 Seconds Remaining…

Time’s up! Put Bell Ringer in Folder

Today’s Agenda:• Quick review

• Practice quiz

Basal Ganglia• Control

muscular movements– Where

Parkinson’s Disease originates

Limbic System

• Functions and components of limbic system:–Hippocampus = long-term memories–Amygdala = behavior, emotions–Hypothalamus & Thalamus–Processes smell

Thalamus

• “Relay station” for sensory input before going to the cerebral cortex (lobes)

Hypothalamus (size of an almond)

• Regulates temperature, hunger/thirst, water balance (urination)

Pons• Controls breathing,

facial expressions, & dreams

Medulla Oblongata• breathing, heart

rate, blood pressure, swallowing and vomiting.

The Fibrous Tunic

• Cornea– Clear– Only human tissue that can be transplanted

without fear of rejection

• Retina - responds to light and transmits visual signal to brain– Contains rods and cones

• Rods – Process black and white images

• Cones– Processes color images

The Ear

• Two functions–Hearing –Equilibrium (balance)

The External Ear• Involved in hearing

only• Structures of the

external ear– Pinna– auditory canal

• Wax glands are present

Figure 8.12

Middle Ear

Figure 8.12

• Eardrum• Three bones:– Hammer– Anvil– Stirrip

Inner Ear

• Cochlea – – Contain fluid and

hair cells– Once you

damage these hair cells, they will never grow back. • What causes

damage? LOUD MUSIC!!!!

Figure 8.12

Olfaction – The Sense of Smell• Olfactory receptors are in the roof of the

nasal cavity– Neurons with long cilia

• Interpretation of smells is made in the limbic system – part of your brain dealing with memory & emotion– this is why some smells remind us of certain

memories and feelings

Gustation = The Sense of Taste• Taste buds house the

receptor organs• Location of taste

buds– Most are on the

tongue– Soft palate– Cheeks

Figure 8.18a–b

Human Anatomy, Frolich, Head II: Throat/Larynx

Five taste sensations

• Sweet• Sour• Salty• Bitter• “umami” (savory)

M&M, Fig. 16.1

Practice Quiz

• Try it on your own to get an idea of how you will do on tomorrows quiz

Answers: 1. C – Limbic System2. A – Basal Ganglia3. B – Pons4. A – Thalamus5. D – Both b&c6. C - They would get smaller because they do

not need to absorb more light7. B – Occipital Lobe8. C – Limbic System9. C – Equilibrium10. Smell

Documents

Friday, January 20, 2012 Objective : Review for quiz BR:Compare & Contrast the Pons & Medulla Oblongata (write one sentence for comparing and one sentence