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WorksheetsBE Unit 6 - senses, coordination and behaviour
Total questions: 29
Worksheet time: 16mins
Where in the ear are the sensory cells that register sounds?
Eardrum
Semicircular canals
Cochlea
Eustachian tube
What is the adequate stimulus of you sense of smell?
Light
Noise
Gravity
Odour
What is the function/are the functions of the corneal layer?
protection against damage
protection against dehydration
protection against pathogens
registers pain
In which layer is fat stored?
epidermis
dermis
subcuntaneous tissue
What part of the sensory cells in your nose detect the substances in odour?
(a)
Which tastes can your taste buds distinguish?
strawberry
sweet
salty
bitter
sour
The lowest intensity of a stimulus that can cause an impulse is called the threshold value.
Is this value always the same?
Yes
No
As you get older, which of these four categories of sound is probably the first one you will not be able to hear anymore?
High-pitched sound
Low-pitched sound
Loud noise
Quiet noise
Before you hear a sound, the eardrum vibratets. This makes the ossicles (anvil, hammer, stirrup) vibrate as well.
What is the correct that the anvil, hammer and stirrup pass on the vibrations?
(a)
What is the function/ what are the functions of eyebrows?
Protect the eyes against dirt
Protect the eyes against bright light
Protect the eyes from sweat and other moisture running into it
Protect the eyes from dehydration and clean them
Pupillary light reflex: what happens when bright light falls on the retina?
the circular muscles contract and the radial muscles relax
the circular muscles relax and the radial muscles contract
the pupil becomes larger
the pupil becomes smaller
What are the functions of interneurons
to pass the impulses from the sense organs to the central nervous system
to pass impulses from the central nervous system to muscles or glands
to conduct impulses within the central nervous system
Sometimes part of your body will be constricted and impulses can no longer be transmitted properly . The lack of blood with fresh nutrients also makes your arm or leg become weak and pale and you cannot move it very well for while. This goes away after a time, but with a "pins and needles" sensation.
What do we call this?
(a)
What is are examples of an inherited trait or instinct?
a bird building a nest
a turtle burying its eggs
a bear hibernating in winter
a horse pulling a plow
If you drink a lot of alcohol before the age of 16, what part/parts of the brain will not be able to develop correctly?
Cerebellum - movement and balance
Hippocampus - learning and memory
Front part of the cerebrum - planning, organising, mood
Nerve fibers throughout the brain - all brain functions
When the blood glucose level rises...
insulin is produced
glucagon is produced
glucose is converted into glycogen in the liver and muscles
glycogen is converted into glucose in the liver and muscles
The hormones insulin and glucagon are both produced by cells in the pancreas. What do we call these groups of cells?
(a)
Here are three movements that you can make with your leg. Which of these is or are a reflex?
Lifting up your leg quickly when a nail goes through the sole of you shoe into your foot.
Bending your leg to let you tie your shoelaces
Moving your leg unconsciously while standing up straight to avoid losing your balance.
Kicking a ball while playing soccer.
A nerve cell is also known as a
answer choices
cerebrum
neuron
cerebellum
nucleus
All hormones are produced in the
answer choices
endocrine glands
blood stream
brain
pancreas
What is the eye an example of?
answer choices
stimulus
sense organ
a relay neuron
a part of nerve cell
What detects a stimulus?
answer choices
A detector
An effector
A receptor
A Simulator
The neurons that conduct information towards the CNS are _________.
answer choices
interneurons
motor neurons
sensory neurons
efferent neurons
The central nervous system consists of the:
answer choices
brain and spinal nerves
spinal nerves and cranial nerves
cranial nerves and spinal cord
spinal cord and brain
How loud a sound registers depends on its __________; the difference between the high and low pressure created by the sound wave.
frequency
amplitude
The bones of the middle ear conduct the vibrations of the ear drum to another membrane called the superior oval window, which then sets the ________ in the inner ear into motion.
fluid
air
