3. SISTEM SARAF DAN INDRA
MANUSIA
ILMUPENGETAHUANALAM
By: Hasan, Zainul Hasan
(hasan.140692@gmail.com)
4. Sistem Koordinasi dan
Indra Manusia
Sistem Koordinasi
Sel saraf
Alat Indra
Hidung
Mata
Telinga
Kulit
LidahSumsum Tulang
Belakang
Otak
5.
6.
7.
8. Network of Nerves (jaringan
saraf)
All of the body contains nerve cells. These
link up to form the network of nerves we
call the nervous system. It transports
messages between the body and the brain.
9. Messegages, your brain controls your body. It receives
messages from all parts of your body and decides what
to do.
10.
11. Touch Feely (indra peraba)
Your skin is in immediate contact
with the word. Using your sense
of touch allows you to tell if
something is hot or cold, dull or
sharp, rought or smooth, or wet
or dry
12. Things we can feel Skin is packed with many sense receptors. Each
sort responds to different sensations.