You can feel the prick of a pin because specialized nerve cells in the skin rely information to your __________.
Question 2
2.
Question 3
3.
Question 4
4.
All parts of the sensory system use __________.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
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Question 11
11.
A finger picking up a message is identified by__________.
Question 12
12.
Question 13
13.
Humans are warm-blooded organisms that maintain a constant body temperature of around 37°C (98.6°F). The diagram shows the changes that take place to keep the human body temperature constant.
Brian claims that only the muscular system is involved when body temperature drops. He says that shivering occurs when the body’s muscles contract rapidly, producing heat, and that this muscle action keeps the body warm.
Using complete sentences, identify two pieces of evidence from the diagram that either support or refute Brian’s claim.
Auditory receptors detect light.
True
False
What is detected by chemoreceptors?
odors
odors and tastes
tastes
sounds
Of the following, which is NOT a sense organ?
intestine
tongue
ears
eyes
Choose the correct order of events for the picture below.
A memory is created to prevent you from touching a hot pot again.
Nerve signals travel from your spinal cord to your arm muscles and you pull your hand away.
You feel pain.
Nerve signals travel from the spinal cord to the brain.
Receptors in your hand detect the heat and send signals to the spinal cord
Where in your body do you find nerve cells? Choose the best answer.
In your brain
In your spinal cord
In your neurons
Everywhere
If an area of your body is particularly sensitive, what can you conclude about that area?
It contains more skin cells than other areas of your body.
It contains more nerve endings than other areas of your body.
It conducts electricity better than other areas of your body.
It contains more neurotransmitters than other areas of your body.
Place the following events in sequence:
Electrical impulses travel along nerve fibers
Your eardrum begins vibrating
The hammer, anvil, and stirrup begin moving
lens
in the retina, receives images that have passed through the lens of the eye
rods and cones
colored part of the eye
retina
the clear tissue that covers the front of the eye
cornea
the adjustable opening in the center of the eye through which light enters
pupil
the transparent structure behind the pupil that changes shape to help focus images on the retina
iris
the light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information
The movement of fluid in the ear helps to signal the brain to help it control balance.