ANIMAL RESPONSES TO ENVIRONMENT

2 methods used viz1.Nervous system2.Endocrine system

CNS,AUTONOMIC,PERIPHERAL SYSTEMS

Nervous system

• CNS,Peripheral,Autonomic(sympathetic & parasympathetic,disorders ( 4 hours)

• Structure of 3 types of neurons,nerve bundles transmission of an impulse , (2 hours)

• Difference between reflex action and reflex arc,Structure and functioning of a simple arc, Significance of a reflex arc (2 hours)

NEURONS

NERVE BUNDLE

REFLEX ARC

DISORDERS

DISORDERS

INJURED NERVE AGING BRAIN

SPINAL CORD

LEARNER ACTIVITIES• Label brain, spinal cord and neuron diagrams• Practical using sheep brain, slides• Table of parts and function of all the above• Describe reflex action using a diagram as a

guide and give significance• Group work : effect of drugs on CNS-

presentation• Write short notes on Alzheimer’s Disease and

Attention Deficit Disorder

EYE

• Structure of eye and function of parts.- 1 lesson

• Formation of an image ,Binocular vision -1 lesson

• Accomodation-,Pupillary mechanism -1 lesson• Disorders – homework – 1 lesson

LEARNER ACTIVITIES• PRACTICAL – demonstrate blind spot, dissect

eye of sheep, pig etc• Label diagram of human eye.• List functions of parts of eye• Using diagrams describe in writing formation

of an image,accomodation, binocular vision,pupillary mechanism

• Homework- notes on long and short sightedness, astigmatism,cataracts

EAR

• Structure and functions of parts of ear,adaptations of parts of ear – 1 lesson

• Hearing and balance – 1 lesson• Hearing defects(infections and deafness)-1

lesson• Link deafness and speech disorders,Sign

language,Attitudes to deaf and blind,Rights of deaf and blind – 1 lesson

LEARNER ACTIVITIES

• Label diagram of ear• Write notes on adaptions of parts of an

ear(homework and feedback)• Describe hearing and balance functioning of

ear in writing ( open book after explanation by teacher)

• Cause and treatment of disorders – homework• Discussion on attitudes,sign language,rights of

blind and deaf

DIAGRAMS OF EAR

INNER EAR

FAR SIGHTEDNESS

HUMAN ENDOCRINE SYSTEM• Definition of chemical

coordination,differences between endo and axo crine glands,characteristics of hormones (30 minutes)

• Location and functions of hormones,negative feedback ( 1.5 lessons)

• Disorders: diabetes,hypo/hyper thyroidism,growth disorders, infertility (homework/feedback – 1 lesson)

HUMAN ENDOCRINE SYSTEM

GLANDS

GLANDS

GLANDS

GONADS

RELATIONSHIP BETWEEN GLANDS/ORGANS

REGULATION BETWEEN NERVOUS/ENDOCRINE SYSTEM

NEGATIVE FEEDBACK

ASSESSMENT DIAGRAMS

DISORDERS

TYPE 1 DIABETES

INSULIN PRODUCTION AND DIABETES

MENSTRUAL CYCLE

PITUITARY & OVARIAN HORMONES

REGULATION BETWEEN NERVOUS &ENDOCRINE SYSTEMS

SWEAT GLANDS

HORMONE ACTIONSTIMULATES SWEAT GLANDS

Sweat glands

VASODILATION AND VASOCONSTRICTION

PALM SWEATING

LIZARD

LIZARD SKIN

PANTING IN DOGS

VASODILATION AND VASOCONSTRICTION

GRAPH FOR ASSESSMENT

GRAPH FOR ASSESSMENT

GRAPH FOR ASSESSMENT

HOMEOSTASIS

NEGATIVE FEEDBACK –COLD EXPOSURE