This lesson contains 22 slides, with interactive quizzes and text slides.
Items in this lesson
Today's lesson
1. Review a few HW questions
2.Review 6.1 and 6.2
3. Start on 6.3 - Nose and Tongue
Slide 1 - Slide
Q6 - Responding to your surroundings
Toothache is only noticed when the sensation exceeds the threshold for pain. This pain threshold changes over the course of the day. Omar has a cavity in his tooth. His tooth hurts when he eats anything cold. One day, he ears an ice cream at 9am and another at 4pm. Why does he feel pain in the affected tooth more quickly at 9am than at 4 pm?
Pain threshold is lower at 9am than it is at 4pm.
Slide 2 - Slide
Q6 - The skin
The figure shows you a photo of some bacon. Bacon is a cut of meat taken from a pig. A slice of bacon consists of a rind, a fatty part and a lean part. List the following parts using the words subcutaneous tissue, muscle tissue, epidermis and dermis
Slide 3 - Slide
In which skin layer are the sensory receptors located?
A
Basal layer
B
Epidermis
C
Dermis
D
Corneal layer
Slide 4 - Quiz
Your skin is 33°C, you take a shower and the water temperature is 25°C. Which receptors will send an impulse to the brain?
A
Pressure receptor
B
Cold receptor
C
Heat receptor
Slide 5 - Quiz
6.3 Nose and Tongue
Review the skin
Discuss the parts and functions of the nose
Discuss the parts and functions of the tongue
Slide 6 - Slide
The nose:
- hairs filter out dirt
- snot catches dust and germs
our nose helps us to smell and to taste
if you break your nose you could lose your sense of smell.
Slide 7 - Slide
Slide 8 - Slide
The nose
Slide 9 - Slide
Mucus
Dust and germs get trapped
Cilia (little hairs) move it up your nose an throat
Slide 10 - Slide
Your nose plays an important role in how you taste things
A
True
B
False
Slide 11 - Quiz
the
Nose
adequate
Impulses
Slide 12 - Drag question
Slide 13 - Slide
WHAT TYPE OF BREATHING IS BETTER FOR YOUR HEALTH?
A
BREATHING THROUGH YOUR NOSE
B
BREATHING THROUGH YOUR MOUTH
Slide 14 - Quiz
TO WHICH ORGAN SYSTEM DOES THE NOSE BELONG?
A
MUSCULAR
B
RESPIRATORY
C
CIRCULATORY
D
SKELETAL
Slide 15 - Quiz
The Tongue:
- we taste only four things
- our nose does most of the tasting
- babies instinctively do not like bitter or sour flavours (protection)
- your tongue is very strong and made up of 8 muscles
Slide 16 - Slide
And the tongue
Slide 17 - Slide
Which types of taste can your tongue distinguish?
Slide 18 - Mind map
You have different taste buds for every taste (sweet, salt, bitter, sour)