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Biolodgy > May Exam > Flashcards

May Exam Flashcards

(48 cards)

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1
Q

What is the task related to taste testing?

A

Carry out the taste test following the instructions given on the slides

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2
Q

What should be labeled and colored in the taste activity?

A

The areas of the tongue sensitive to each taste

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3
Q

What are the tastes that need to be identified in the tongue activity?

A
  • Lemon
  • Vinegar
  • Sugar
  • Bitter
  • Sweet
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4
Q

Why is it an advantage to move food around your mouth before you swallow it?

A
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5
Q

What is the main focus of Task 7?

A

Label a diagram explaining smell

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6
Q

What is the first step in the process of sensing smells?

A

Air enters through the nose and contacts the olfactory epithelium

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7
Q

How are scents detected?

A

Detected by receptors in the olfactory epithelium

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8
Q

What happens after scents are detected by receptors?

A

Signal transmission to the brain occurs

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9
Q

Where does smell recognition take place?

A

In the brain

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10
Q

Fill in the blank: The area responsible for detecting smells is called the _______.

A

olfactory epithelium

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11
Q

True or False: The brain is involved in the process of smell recognition.

A

True

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12
Q

What game is mentioned that involves responding to stimuli?

A

Simon Says

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13
Q

What parts of the body are used to see and hear the instructions?

A

Eyes and ears

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14
Q

What type of stimuli are you responding to in the game?

A

The environment beside you

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15
Q

What do you use to decide whether to follow the instruction or not?

A

Your brain

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16
Q

Where is the message sent in order for you to respond and follow the instruction?

A

Brain

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17
Q

What systems work together to help respond to changes in the environment?

A

Brain and nervous system

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18
Q

What is the role of the brain and nervous system in relation to senses?

A

To help respond to changes in the environment

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19
Q

What sense is associated with the organ ‘tongue’?

A

Taste

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20
Q

What sense is associated with the organ ‘skin’?

21
Q

What sense is associated with the organ ‘nose’?

22
Q

What sense is associated with the organ ‘ears’?

23
Q

What sense is associated with the organ ‘eyes’?

24
Q

What are neurons adapted to carry?

Study These Flashcards
A

Electrical impulses

25
What are the long extensions of neurons called?
Axons
26
What protects and insulates nerve cells?
Myelin sheath
27
What helps messages to travel faster in the nervous system?
Myelin sheath
28
Fill in the blank: Our brain and nervous system are composed of billions of _______.
neurons
29
True or False: The nervous system is not important for keeping us safe and healthy.
False
30
At what age do girls have a higher mass than boys?
11-13 years old ## Footnote Girls hit puberty before boys, which contributes to their higher mass during this period.
31
Why are girls, on average, heavier than boys during the ages of 11-13?
Girls hit puberty before boys start their growth spurt. ## Footnote This early onset of puberty leads to earlier increases in mass.
32
How much heavier is the average 15-year-old boy compared to the average 15-year-old girl?
9 kg ## Footnote This is calculated based on the data provided in the table.
33
By how much does an average girl's mass increase between the ages of 10 and 13?
13.9 kg ## Footnote This increase can be shown through calculations based on the mass data for girls at those ages.
34
What is the recommended scale for the X-axis when plotting the graph?
0 to 15 years ## Footnote The scale should utilize at least ¾ of the graphing area.
35
What should be used to draw the axes of the graph?
Pencil and a ruler ## Footnote This ensures clean and precise lines for the graph.
36
What is the Y-axis scale based on?
The highest and lowest value in the mass data ## Footnote The Y-axis should ideally go up to 60 kg.
37
How should points be plotted on the graph?
Using a 'x' ## Footnote Points should be plotted in pencil for clarity.
38
What type of graph is suggested to show the data for girls or boys?
Line graph ## Footnote A line graph is useful for showing changes over time.
39
What is one of the main systems in the body?
REPRODUCTIVE SYSTEM ## Footnote It varies between males and females.
40
How do humans differ from other species regarding child-rearing?
They spend longer bringing up their young and looking after them ## Footnote Humans are the only species that can decide when to have children.
41
What is the average age range for girls to start puberty?
Between the ages of 10 and 16 ## Footnote Girls typically begin puberty a year or two before boys.
42
What changes occur in boys during puberty? (List at least three)
* Hair grows under the arms, in the pubic region, on the face and chest * Voice breaks as the voice box enlarges * Testes start to produce sperm
43
What changes occur in girls during puberty? (List at least three)
* Hair grows under the arms and in the pubic region * Hips widen * Breasts grow and develop
44
What initiates puberty in boys and girls?
Sex hormones produced by the ovaries in girls and the testes in boys ## Footnote These chemicals circulate in the blood and cause body changes.
45
At what age does puberty usually start in boys?
Between the ages of 10 and 16
46
Fill in the blank: The penis becomes ______ during puberty in boys.
larger
47
True or False: Muscles develop and shoulders get narrower in boys during puberty.
False
48
What is the role of sex hormones during puberty?
They cause many changes in the body ## Footnote Produced by the ovaries in girls and the testes in boys.

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