chapter 12-1: a&P of the brain Essential Question: What are the major parts of the brain and their function? chapter 12-1: a&P of the brain Learning Targets Identify structure and function of 3 types of muscle tissue. Identify the functional characteristics of muscle tissue. List the functions of muscle Describe the anatomy of skeletal muscle

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Parts of the Brain The brain consists of 4 main parts: Cerebrum Cerebellum Brain stem Diencephalon

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Parts of the Brain: Cerebrum The cerebrum is the makes up most of the brain mass It is responsible for: Voluntary motor function Senses Integration of information It is divided into two hemispheres Right and left hemisphere controls the opposite side Each hemisphere has 5 lobes Frontal Parietal Temporal Occipital Insula

Parts of the Brain: Cerebrum Cerebral Lobes: Anatomy & Physiology Frontal Lobe Thinking, creativity, motor functions Parietal Lobe Memory, senses Temporal Lobe Controls hearing, speech, & memory Occipital Lobe Vision Insular Lobe Not sure of function. Believed to deal with feelings involving pleasure.

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Parts of the Brain: Cerebellum The cerebellum coordinates posture, balance and movement It plays some role in learning

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Parts of the Brain: Brain Stem The brain stem is composed of: Midbrain Acts as a relay centers for other brain parts Controls some reflexes Causes fear responses Pons Connects cerebellum to rest of the brain Helps to maintain breathing Medulla Oblongata Controls many autonomic reflexes Controls respiratory and heart rates and blood pressure

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Parts of the Brain: Diencephalon Central core of the forebrain Consists of three paired structures: Thalamus Hypothalamus Epithalamus

Parts of the Brain: Diencephalon Parts of the Diencephalon Thalamus Interprets cerebral senses Involved in memory processing Hypothalamus Integration center of involuntary nervous system (autonomic) Regulates many processes needed for homeostasis Regulates hormones (endocrine system) Controls emotions