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Body coordination

Nervous

system

CNS PNS

Endocrine

systemPancrea

s Ovaries

Testes Adrenal

Thyroid

Chapter 2 - Body Coordination Exercise

Body Coordination

1. The human body reacts to changes in the environment. The changes in the environment

is known as the ___________ and the action or movement as a result of a stimulus is

known as the _____________ 2. Fill up the blank spaces in the mind map:

Human Nervous System

3. __________ is a nerve cell which is the basic functional unit of the nervous system!. The central nervous system consists of the ___________ and _____________.". The peripheral nervous system consists of ____________ and _____________.#. The ________________ controls refle$ action

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%. &raw and label the parts of the neuron:

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Receptors

Sensoryneurons

Relayneurons

Motorneurons

Efectors

'. The three types of neuron are the __________ neuron( ________ neuron and ______

neuron). *ensory neuron is distinguished from motor neuron by the location of the ___________.1+. ,yelin sheath is important because it _________ a$ons from in-ury and ___________

the impulse travelling along the a$on.11. __________ receive impulses from other cells and transmit the impulses to the cell body12. $ons conduct impulses __________ from the cell body13. The flow of impulses along the nervous system:

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Hand toucheshot ettle! """"""""""""

""""""""""" ! Painreceptors ins in

"""""""neurons

""""""""""" Relayneurons """""""""

neurons

"""""""""" ! hand

msucles

Response! hand moves a#ay

$rom hot ettle

1!. _____________ is a rapid response to a stimulus. This action is _____________1". n a refle$ action( the impulses ____________ pass the brain1#. /omplete the pathway of impulses in a refle$ arc:

1%. he human brain can be divided into three main parts:a. ________________ b. ________________ c. ________________

1'. 0abel the brain parts below:

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1). The _____________ is the largest part of the human brain. t makes up about '+ of the

mass of the human brain.2+. The _____________ is located below and behind the cerebrum21. _____________________ is the lower most portion of the brain and is continuous with

the spinal cord. t is the smallest component of the brain22. ,edulla oblongata controls _____________ actions and refle$23. ive five functions of the cerebrum:

a. ______________ b. ______________ c. ______________ d. ______________ e. ______________

2!. ________________ and balance of the body is controlled and maintained by cerebellum2". Fill in the blank space:

oluntary action nvoluntary action&efinition ctions that we are aware of ctions that we are not aware of /ontrolled by /erebrum ,edulla oblongata*peed of action *low response 4apid response

5$amples

6icking a ball 4aising your hand *miling

6nee -erk 7umping of heart 8reathing

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The endocrine system

2#. ________________ are chemicals secreted by endocrine glands and they are released

into the bloodstream2%. ________________ is known as the master gland as it secretes hormone to control

activity of other glands2'. 9ther than the pituitary gland( name " other endocrine glands: 4emember 79T T ;

a. _________________ b. _________________ c. _________________ d. _________________ e. _________________

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2). Fill up the table below:

Glands Hormones Function High secretion o! secretion

"ancreas nsulin/onverts glucose to glycogen

,aintains sugar level

0ow sugar level

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3+. 0abel the diagram below:

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31. Fill up the table below:

Types o% drugs Examples E%%ects

*timulants /ocaine

5stacy

ct on central nervous systemncrease energy

ncrease heartbeat

&epressants 8arbiturates &ecrease energy

&ecrease heartbeat=allucinogens /annabis /ause hallucination

9piates ,orphine

=eroine4elieve painnduce sleep