i) Cerebrum
•Also called forebrain
•occupies most of the brain
•consists of four lobes each with specific functions.
•temporal lobe controls taste smell hearing,learning and memory.
•partial lobe controls sensory output and touch.
•occipital lobe controls vision, motor output and speech.
•frontal lobe controls personality, learning thought and speech.
•It also has parts called thalamus and hypothalamus.
thalamus helps to sort sensory information
•hypothalamus controls hunger, heartbeat body temperature and aggression.
ii) Mid brain
•It is quite small in humans
•It is the relay centre for audio and visual information.
•also involves in some sight, hearing and orientation responses.
i) Hind brain
•consists of cellebral and medulla oblongata.
•Cerebellum is responsible for coordinating impulses, posture and balance, motor coordination and muscle tone.
•Medulla oblongata controls heartbeat, blood pressure breathing rate, coughing and sneezing.
Anganifelix answered the question on April 18, 2018 at 09:26
- Describe the structure and function of a relay neurone(Solved)
Describe the structure and function of a relay neuron.
Date posted: April 18, 2018. Answers (1)
- State the structural differences between motor and sensory neurons (Solved)
State the structural differences between motor and sensory neurons
Date posted: April 18, 2018. Answers (1)
- Name the parts of a typical neuron and state the functions of each part.(Solved)
Typical parts of a neuron and their functions.
Date posted: April 18, 2018. Answers (1)
- What is a neuron? (Solved)
Neurone definition, biology form four
Date posted: April 18, 2018. Answers (1)
- State the differences between somatic and autonomic systems of peripheral nervous system(Solved)
State the differences between somatic and autonomic systems of peripheral nervous system
Date posted: April 17, 2018. Answers (1)
- What is etiolation?(Solved)
What is etiolation?
Date posted: April 17, 2018. Answers (1)
- How has industrial melanism i.e. peppered moth contributed towards the mechanism of evolution? (Solved)
How has industrial melanism i.e. peppered moth contributed towards the mechanism of evolution?
Date posted: April 17, 2018. Answers (1)
- (i) What is natural selection? (ii) With examples, explain how natural selection takes place (iii) State the advantages of natural selection to organisms (iv) State...(Solved)
(i) what is natural selection? (ii) With examples, explain how natural selection takes place (iii) State the advantages of natural selection to organisms (iv) State the...
Date posted: April 17, 2018. Answers (1)
- (a)i) State the evolutionary characteristics that adopt human beings to the environment. ii) State the ways in which Homo sapiens differs from Homo habilis. b)...(Solved)
Larmarck's and Darwin's theories of evolution, form four biology questions and answers
Date posted: April 17, 2018. Answers (1)
- (a)i) Explain the meaning of evolution ii) Differentiate organic evolution from chemical evolution as theories of origin of life iii) What is special creation? b)...(Solved)
Evolution questions. Form four biology, KCSE EXAMS SAMPLES.
Date posted: April 17, 2018. Answers (1)
- State the ways in which movement can be noticed in plants (Solved)
State the ways in which movement can be noticed in plants
Date posted: April 17, 2018. Answers (1)
- Discuss the characteristics of living things (Solved)
Discuss the characteristics of living things
Date posted: April 17, 2018. Answers (1)
- Describe the term organ system (Solved)
Describe the term organ system.
Date posted: April 17, 2018. Answers (1)
- Discuss the tissues found in plants (Solved)
Discuss the tissues found in plants.
Date posted: April 17, 2018. Answers (1)
- Define a tissue and describe the tissue types found in animals(Solved)
Define a tissue and describe the tissue types found in animals.
Date posted: April 17, 2018. Answers (1)
- Describe Cell Specialization/Cell Differentiation(Solved)
Cell Specialization/Cell Differentiation
Date posted: April 17, 2018. Answers (1)
- Describe the Procedure followed in cell size estimation(Solved)
Describe the Procedure followed in cell size estimation
Date posted: April 17, 2018. Answers (1)
- Describe how to use the Microscope(Solved)
How to use a Microscope
Date posted: April 17, 2018. Answers (1)
- Describe the parts of a microscope(Solved)
Describe the parts of a microscope
Date posted: April 17, 2018. Answers (1)
- What are the rules of Binomial Nomenclature(Solved)
Rules of Binomial Nomenclature
Date posted: April 17, 2018. Answers (1)