Bu'aan kutaa 12ffaa ba'eera; bu'aa kee eessatti akka ilaaltu

Yaadannoo boqonnaa fi gaaffii shaakalaa

Boqonnaa 5 Baayoloojii kutaa 12: Sirna Qaama Namaa

Wanti fuula kana irra jiru hundi boqonnaa 5 kitaaba Baayoloojii kutaa 12 tiif: wanta boqonnaan haguugu, yaadannoo gabaabaa, gaaffii shaakalaa deebii isaanii waliin, fi viidiyoo barnootaa bakka jirutti.

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Gaaffii shaakalaa boqonnaa 5
236–332
Fuula kitaabaa boqonnaa 5

Asii jalqabi

Barnoota Temari boqonnaa 5

Barnoota viidiyoo gabaabaa boqonnaa kanaa, kan Temari'n qopheesse. Yommuu play tuqxu qofa fe'ama. Barnoonni kun Afaan Ingiliziitiin.

How ADH keeps your water balance · daqiiqaa 4 · Gaaffii qormaata darbe 2 hojjetaman

Kutaalee barnootaa

Barnoota achii jalqabee taphachiisuuf kutaa tokko tuqi.

Boqonnaan 5 maal haguuga

  1. 1.The nervous system
  2. 2.Sense organs
  3. 3.Homeostasis in the human body

Yaadannoo gabaabaa boqonnaa 5

Kaardiiwwan fuula Baayoloojii kutaa 12 irratti boqonnaa kana jala galmaa'an. Tokko tokkoon bani.

Kutaa SammuuHojiiwwan Ijoo
CerebrumMiirawwan hiikuu, dubbii, sababeessuu (reasoning), miira (emotions), barachuu fi fine motor control
Thalamussensory tracts gara cerebrum darbaniif relay station ta'uu
HypothalamusTo'annoo homeostatic kan dheebuu, fedhii nyaataa, ho'a qaamaa fi endocrine regulation
Brainstemrelay station nerve tracts walqaxxaamuran qabu fi reflex centers kan arguu, dhaga'uu fi tuquu

Yoom akka itti fayyadamtu

Gahee kutaan sammuu adda addaa miira qindeessuu fi qixa qaamaa eeguu keessatti qaban yaadachuuf itti fayyadamaa.

Of eeggadhu

Murnoonni narvii brainstem keessatti waan wal qaxxaamuraniif, sammuun bitaa qaama mirgaa to'ata, sammuun mirgaas qaama bitaa to'ata.

Grade 12 Biology, fuula 236-332 irraa qophaa'e; osoo hin ba'in dura yeroo lama mirkanaa'e

Darbii MeeniinjisiiIddooAmaloota Ijoo
Dura materIrra alaaJabaa, fibrous double layer, periosteal layer inni alaa spinal cord keessatti hin argamu
Arachnoid materGidduuserous membrane haphii, subarachnoid space inni jala jiru CSF of keessaa qaba
Pia materIrra keessaavascular layer haphii gubbaa brain irratti jabaatee maxxanu

Yoom akka itti fayyadamtu

Darbiiwwan marqaa ittisaa sammuu fi lafee dugdaa haguugan alaa gara keessaatti adda baasuuf itti fayyadamaa.

Of eeggadhu

Darbiin peereeyoostiyaalii duraa maaterii sammuu keessatti argama, garuu lafee dugdaa keessatti hin jiru.

Grade 12 Biology, fuula 236-332 irraa qophaa'e; osoo hin ba'in dura yeroo lama mirkanaa'e

Gaaffii shaakalaa boqonnaa 5

Gaaffii filannoo 10 boqonnaa kana irratti barreeffaman, tokkoon tokkoon isaanii deebii fi sababa qabu. Deebii banuu dura yaali. Gaaffiin kun Ingiliffaa tiin.

Gaaffii 1

Which two parts make up the central nervous system (CNS)?

  1. A.The brain and the spinal cord
  2. B.The brain and the nerves
  3. C.The spinal cord and the nerves
  4. D.The cranium and the vertebral column
Deebii fi sababa agarsiisi

Deebii: A The brain and the spinal cord

Sababa

The CNS is made up of the brain and the spinal cord. The nerves that branch out from the brain and spinal cord belong to the peripheral nervous system (PNS), so option B and option C are wrong. The cranium and vertebral column are bony structures that protect the CNS, not parts of the CNS itself.

Gaaffii 2

Which of the three meninges lies closest to the bone of the skull?

  1. A.Arachnoid mater
  2. B.Pia mater
  3. C.Dura mater
  4. D.Subarachnoid space
Deebii fi sababa agarsiisi

Deebii: C Dura mater

Sababa

The dura mater is the layer that lies closest to the bone of the skull. It is a double layer of tough, fibrous connective tissue. The subarachnoid space is a space, not one of the three meninges.

Gaaffii 3

The brain floats in a special cushioning fluid. What is this fluid called?

  1. A.Aqueous humour
  2. B.Vitreous humour
  3. C.Cerebrospinal fluid (CSF)
  4. D.Synovial fluid
Deebii fi sababa agarsiisi

Deebii: C Cerebrospinal fluid (CSF)

Sababa

The brain floats in cerebrospinal fluid (CSF). It is a thin fluid similar to plasma. Aqueous humour and vitreous humour are fluids found in the eye, not around the brain.

Gaaffii 4

Which part is the largest portion of the brain in humans?

  1. A.Cerebellum
  2. B.Medulla oblongata
  3. C.Cerebrum
  4. D.Pons
Deebii fi sababa agarsiisi

Deebii: C Cerebrum

Sababa

The cerebrum is the largest portion of the brain in humans. It performs higher functions such as interpreting touch, vision and hearing, speech, reasoning and learning.

Gaaffii 5

A dancer needs good balance and smooth, coordinated movements. Which part of the brain maintains posture and balance?

  1. A.Hypothalamus
  2. B.Cerebellum
  3. C.Thalamus
  4. D.Pons
Deebii fi sababa agarsiisi

Deebii: B Cerebellum

Sababa

The cerebellum maintains posture and balance. It also makes sure that the muscles work together to produce smooth, coordinated voluntary movements. The hypothalamus controls homeostasis, the thalamus is concerned with sensation, and the pons is a bridge of axon bundles.

Gaaffii 6

Which part of the brain is the center for homeostatic control of the internal environment, including body temperature?

  1. A.Thalamus
  2. B.Hypothalamus
  3. C.Pons
  4. D.Medulla oblongata
Deebii fi sababa agarsiisi

Deebii: B Hypothalamus

Sababa

The hypothalamus is the center for homeostatic control of the internal environment. It receives signals about the state of the body and regulates thirst, appetite and body temperature. The thalamus is mainly concerned with sensation.

Gaaffii 7

The word pons means "bridge" in Latin. Which statement about the pons is correct?

  1. A.It contains bundles of axons travelling between the cerebellum and the rest of the CNS.
  2. B.It is the center for homeostatic control of the internal environment.
  3. C.It lies under the occipital lobe of the cerebrum.
  4. D.It is the largest part of the hindbrain.
Deebii fi sababa agarsiisi

Deebii: A It contains bundles of axons travelling between the cerebellum and the rest of the CNS.

Sababa

The pons contains bundles of axons travelling between the cerebellum and the rest of the CNS, which is why it is called a bridge. Option B describes the hypothalamus. Option C describes the cerebellum. Option D also describes the cerebellum.

Gaaffii 8

Which part of the brain contains reflex centers for regulating heartbeat and blood pressure?

  1. A.Cerebrum
  2. B.Cerebellum
  3. C.Medulla oblongata
  4. D.Thalamus
Deebii fi sababa agarsiisi

Deebii: C Medulla oblongata

Sababa

The medulla oblongata contains a number of reflex centers for regulating heartbeat, breathing and blood pressure. It also contains reflex centers for vomiting, coughing, sneezing, hiccuping and swallowing.

Gaaffii 9

In the brain and spinal cord, which type of matter is made up mainly of neuron cell bodies?

  1. A.Gray matter
  2. B.White matter
  3. C.Cerebrospinal fluid
  4. D.Dura mater
Deebii fi sababa agarsiisi

Deebii: A Gray matter

Sababa

Gray matter is primarily made up of neuron cell bodies. White matter consists of bundled axons. In the spinal cord, white matter forms the outer layer, while in the brain it is mostly in the interior.

Gaaffii 10

Which of the following is NOT a function of cerebrospinal fluid (CSF)?

  1. A.It acts as a cushion that supports the weight of the brain.
  2. B.It helps to maintain a uniform pressure around the brain and spinal cord.
  3. C.There is a limited exchange of nutrients and waste products between neurones and CSF.
  4. D.It carries light rays to the retina so that images can be formed.
Deebii fi sababa agarsiisi

Deebii: D It carries light rays to the retina so that images can be formed.

Sababa

CSF cushions the brain, helps keep the pressure uniform, and allows a limited exchange of nutrients and waste with neurones. Carrying light rays to the retina is not a function of CSF. Light rays pass through the parts of the eye such as the cornea and lens.

Appiin boqonnaa kana irratti gaaffii 12 qaba; utuu hojjettuu ni sirreessa. Kan asii jiran 10 jalqabaa ti.

Fuula kitaabaa boqonnaa 5

Boqonnaan 5 Maxxansa Ministeera Barnootaa keessatti fuula 236 hanga fuula 332 ti.

Maxxansa Ministeera Barnootaa, Ingiliffaa, Fuula 358

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Yaadannoo gabaabaa Baayoloojii kutaa 12 hunda

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