Repitition skin and eyes

Sarah broke her wrist and the doctor put a cast on her arm. Initially, the cast feel tight around her arm, but after a while she doesn't notice it anymore.
Which biological term explains this situation?
A
Motivation
B
Habituation
C
Threshold value
D
Stimulus
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Slide 1: Quiz

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Sarah broke her wrist and the doctor put a cast on her arm. Initially, the cast feel tight around her arm, but after a while she doesn't notice it anymore.
Which biological term explains this situation?
A
Motivation
B
Habituation
C
Threshold value
D
Stimulus

Slide 1 - Quiz

The sebaceous gland makes sebum. What is the function of sebum?
A
It makes the skin flexible
B
It lowers the body temperature
C
It stores energy
D
It feeds the hair and the hair follicle

Slide 2 - Quiz

In the eye you have the retina. A special place on the retina is the fovea. What is the fovea?
A
This is the place where you can't see well
B
This the place with a lot of sensory cells
C
This is the place where the optic nerve starts
D
This is the place where the eye gets blood

Slide 3 - Quiz

What is NOT a transparant part of the eye?
A
Lens
B
Cornea
C
Retina
D
Vitreous body

Slide 4 - Quiz

When you go from a place with a lot of light to a dark place, your pupil changes. What happens in this situation to your pupil?
A
Your pupil becomes smaller
B
Your pupil becomes bigger

Slide 5 - Quiz

Which receptor do you use to sense the t-shirt on your skin?
A
Pressure receptor
B
Pain receptor
C
Heat receptor
D
Touch receptor

Slide 6 - Quiz

Sarah broke her wrist and the doctor put a cast on her arm. Initially, the cast feel tight around her arm, but after a while she doesn't notice it anymore.
What has happened to the threshold value for the receptors which this cast? Explain your answer.

Slide 7 - Question ouverte

If you get a tattoo, the ink will be injected in the dermis, not in the epidermis. Explain why it shouldn't be in injected in the epidermis.

Slide 8 - Question ouverte

There a different receptors in your skin. One of them is the pressure receptor and the other one is a touch receptor. Which of those two receptors is found deeper in the skin? Explain your answer.

Slide 9 - Question ouverte

You see the world around you with your eyes. This is because light falls in your eyes.
Explain what happens when you see something. Use the following words: stimulus, impuls, sensory cells, retina, brain.

Slide 10 - Question ouverte