3. Body parts and
systems:
• Lungs: RESPIRATORY
• Stomach: DIGESTIVE
• Veins: CIRCULATORY
• Small intestine: DIGESTIVE
• Muscles: LOCOMOTOR SYSTEM
• Brain: NERVOUS SYSTEM
5. Five senses: HEARING
•Sound waves enter our ear through the
auditory canal / eardrum.
•The auditory canal / eardrum and the
three / five bones in our outer / middle ear
all vibrate.
•When these vibrations reach the
semicircular canal / cochlea in our middle
/ inner ear, they turn into electric signals.
•These signals are sent to the brain by
the olfactory / auditory nerve.
6. CORRECT THE SENTENCES:
a. The cerebrum protects the brain: SKULL
b. Examples of voluntary movements are heart beat and digestion:
INVOLUNTARY.
c. Voluntary movements are controlled by the brain stem: CEREBRUM.
d. Balance, movement and coordination are controlled by the cranium.
CEREBELLUM
e. The spinal cord controls talking and dancing: REFLEX ACTIONS
f. Motor neurons carry messages from the muscles to the brain. FROM
THE BRAIN TO THE MUSCLES.
