brain Word Scramble
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| Question | Answer |
| Brain is? | highly vascular (lots of blood) and metabolically active (busy) |
| Three regions of the brain? | cerebrum, celebellum and brain stem |
| Cerebrum is the _____ part of the brain? | smart part, is the largest of the three regions. |
| Cerebum is divided into 2? | hemispheres |
| The cerebum hemispheres are divided by the? | longitudinal fissue |
| Cerebum is composed of white matter covered by a thin layer of gray matter called? | Cerebral cortex |
| Cerebrum surface has to charactertics? | gyri (hill) and sulci (valley) |
| Cerebrum is divided into 6 lobes? | frontal lobe, parietal lobe, occipital lobe, temporal lobe, and internal insula lobe |
| Functions of the cerebrum? | initiate impulses that lead to contraction of the skeletal muscles (MOVEMENT), interpretation of sensory input (hearing, feeling, seeing, tasting), and higher brain funtion (memory, smart stuff, and thinking) |
| Embedded within the cerebrum are paired masses of gray matter called the? | basal nuclei |
| Basal nuclei helps control what? | voluntary movement especially starting, stopping, and regulation fo intensity ( reating temors) |
| Cerebellum is the what brain? | athletic part of the brin |
| cerebellum is separated from the cerebrum by the? | transverse fissue |
| The two hemispheres of the cerebellum is connected by the ? | vermis (butt whole) |
| cerebellum is composed of white matter covered by a thin layer of gray matter called? | cerebellar cortex |
| ridges of the surface of the cerebellum is called? | folia |
| embedded in the cerebellum are white matter tracts called? | arbor vitae |
| cerebellum communicates with other brain parts via the 3 pairs of | cerebellar peduncles |
| functions of the cerebellum? | coordinate skeletal muscles and balance, and maintain posture |
| Brain stem is what part of brain? | keeps you alive |
| Thalamus is two large oval shaped masses of gray matter, function is? | act as a relay center for sensory impulses, descides what will be sent to cerebrum! |
| hypothalamus is inferior to the thalamus, function is to? | directs the internal activites of the body to maintain homeostasis (everything is in balance, everything is ok) |
| The 5 things the hypothalamus does? BWHPP | body temperature regulation, mater and electrolyte balance, hunger and satiety, physiolociacl sexual response, and produces hormones |
| Thalamus and hypothalamus are called? | diencephalon |
| Pineal gland? | secretes the hormone melatonin |
| Pituitary gland? | secretes a variety of hormones |
| Midbrain functions? | acts a a center for visual (eye) and auditory (ear) reflexes |
| Pons functions? | helps regulate breathing, acts as a center bridge |
| Medulla oblongata functions? | control the vital visceral functions, cardiac center(heart beat), vasomotor center (blood pressure), respiratory center (breathing) |
| Medulla oblongate reflexes for? | sneezing, coughing, swallowing ,an vomiting |
| Limbic system? | all parts of the brain involved in emotional responses (happy, sad, mad, upset |
| Preticular formation (RAS) | sends impulses to the cerebrum to maintain consciousness and alertness (ON AND OFF SWITCH OF YOUR BRAIN) |
| 4 ventricles? | laterial ventricles, third ventricle, fourth ventricle |
| interventricular foraman? | connects the lateral ventricles to the third ventricles |
| cerebral aqueduct | connects the third ventricles to the fouth ventricle |
| Protection of the brain?> | cranium, meninges, cerebrospinal fluid |
| Cranium is what? | 8 bones that proctect the brain |
| meninges what? | 3 layers of connective tissue= pia mater, arachnoid mater, and Dura mater PAD |
| cerebrospinal fluid (CSF) | in the subarachnoid space |
| Location of the CSF? | subarachnoid space of the brain, subarachnoid space of the spinal cord, central canal, and ventricles |
| CSF is composed of what? | water, protein, glucose, and small amount of waste |
| CSF is produced by the? | choroid plexus of the ventricles |
| CSF is reabsorbed by the? | arachnoid granulations (villi) |
| Arachnoid granulations send the CSF to the blood by? | superior sagittal sinus (dural sinus) |
| Functions of the CSF? | nourish the nerve tissue, remove waste from teh CNS, and protection of the CNS |
| Olfactory nerve? | number I, senosry nerve that transmit impulses from the olfactory receptor to the brain SMELL |
| Opitc nerve? | number II, sensory nerve that transmits impulse form the eye to the brain SEEING |
| Trigeminal nerve? | number V (five), largest of the cranial nerves; primary sensory nerve of the face |
| Facial nerve? | number VII (seven), major motor nerve of the face |
| Vestibulocochlear nerve? | number VIII, (eight), senosry nerve that transmits impulses from the ear to the brain EAR |
| Vagus nerve? | number X (ten), longest of the cranila nerves |
Created by:
tankerwife83