Personal Development-Grade 11

7. 1. BRAIN STEM

8. 1. BRAIN STEM
 It connects the spinal cord
and the brain.
 It controls functions that
keep people alive such as
breathing, heart rate, blood
pressure and food digestion.

9. 2. CEREBELLUM

10. 2. CEREBELLUM
 It controls voluntary movement.
 The cerebellum (Latin for "little brain")
is a major feature of the hindbrain of all
vertebrates.
 In humans, the cerebellum plays an
important role in motor control, and it may
also be involved in some
cognitive functions such as attention and
language as well as in regulating fear and
pleasure responses, but its movement-
related functions are the most solidly
established.

11. 2. CEREBELLUM
 The human cerebellum does not
initiate movement, but contributes
to coordination, precision, and
accurate timing: it receives input
from sensory systems of
the spinal cord and from other
parts of the brain, and integrates
these inputs to fine-tune motor
activity.

13.  It is also known as
a neurone or nerve cell) is
a cell that carries electrical
impulses.[1]
Neurons are the
basic units of the nervous
system and its most
important part is the brain.

14. 1. NERVE CELL BODY
The cell body (soma) is the factory of
the neuron. It produces all the proteins for
the dendrites, axons and synaptic terminals
and contains specialized organelles such as
the mitochondria, Golgi apparatus,
endoplasmic reticulum, secretory granules,
ribosomes and polysomes to provide energy
and make the parts, as well as a production
line to assemble the parts into completed
products.

15. 2. AXON
It is the main conducting
unit of the neuron, capable of
conveying electrical signals
along distances that range
from as short as 0.1 mm to as
long as 2 m.

16. 3. DENDRITES
These structures branch out
in treelike fashion and serve as
the main apparatus for receiving
signals from other nerve cells.
They function as an "antennae"
of the neuron and are covered by
thousands of synapses.

17. 3. CEREBRUM

18. 3. CEREBRUM
 It is the largest of the
three main sections,
accounts for about 85
percent of the brain’s
weight, and has four lobes.

21. It is the part of the brain that
controls important cognitive skills in
humans, such as emotional
expression, problem solving,
memory, language, judgment, and
sexual behavior. It is, in essence,
the “control panel” of our
personality and our ability to
communicate.

23. It can be divided into two
functional regions. One involves
sensation and perception and
the other is concerned with
integrating sensory input,
primarily with the visual system.
The first function integrates
sensory information to form a
single perception (cognition).

25. It mainly revolves around hearing and
selective listening. It receives sensory
information such as sounds and speech from
the ears. It is also key to being able
to comprehend, or understand
meaningful speech. In fact, we would not be
able to understand someone talking to us, if
it wasn't for the temporal lobe. This lobe is
special because it makes sense of the all the
different sounds and pitches (different types
of sound) being transmitted from the
sensory receptors of the ears.

27. It is important to being able to correctly
understand what your eyes are seeing.
These lobes have to be very fast to process
the rapid information that our eyes are
sending. Similar to how the temporal
lobe makes sense of auditory information,
the occipital lobe makes sense of visual
information so that we are able to
understand it. If our occipital lobe
was impaired, or injured we would not be
able to correctly process visual signals,
thus visual confusion would result.