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7th Period McNew_Evan Science > McNew_Evan Test Skin > Flashcards

McNew_Evan Test Skin Flashcards

1
Q
  1. How does the skin help regulate body temperature
A

By enable excess heat to escape from the body

  1. Notes - Homeostasis
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2
Q
  1. On the skin diagram, what is the middle layer of the skin diagram
A

Dermis

  1. Skin Diagram
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3
Q
  1. Whan body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by
A

An increase in blood flow and a increase in sweat glands

  1. Notes - Homeostasis
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4
Q
  1. When the arrector pili contract
A

You get goose bumps

  1. Notes - Homeostasis
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5
Q
  1. The independent variable in our experiment with the Lab- Enzymes and Temperature was
A

Water Temperature

26: Lab - Enzymes and temperature

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6
Q
  1. Light-skinned races such as Caucasians have
A

About the amount of melanocytes as a darker race

  1. BP - skin
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7
Q
  1. The dependent variable in our experiment is illustrated by the
A

the height of the column of bubbles

26: Lab - Enzymes and temperature

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8
Q
  1. The bundle of smooth muscles that associated with the hair follicles is called
A

Arrector pili

  1. Skin Diagram
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9
Q
  1. Place the following in order from innermost of outermost A) Dermis B) Epidermis C) Hypodermis
A

C, A, B

  1. Skin Diagram
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10
Q
  1. What can you conclude from the fact that your skin prevents harmful germs from entering your body
A

Germs can enter through cuts and scrapes

  1. BP - skin
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11
Q
  1. What would happen if the core body temperature was too low
A

Sweat would dry up

  1. BP - skin
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12
Q
  1. What might happen if your respiratory system malfunctioned
A

The oxygen level in your blood might go out of balance

  1. Notes - Homeostasis
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13
Q
  1. Place the following in sequence: A) nerves and hormones communicate with hypothalamus B) you sweat C) Your body begins overheating
A

C, A, B

  1. Notes - Homeostasis
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14
Q
  1. Prolactin production is encouraged in what type of feedback
A

Positive

  1. Notes - Homeostasis
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15
Q
  1. Positive feedback control mechanism are:
A

More rare than negative feedback mechanisms and tend to increase the original stimulus

  1. Notes - Homeostasis
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16
Q

2(H2 O2) -> O2 + 2(H2 O)

  1. In the formula above, how many atoms of hydrogen are in hydrogen peroxide
A

4

26: Lab - Enzymes and temperature

17
Q
  1. Which organelle releases chemicals that break down large food particles into smaller ones
A

Lysosomes

  1. Lab - Edible Cell
18
Q
  1. A healthy _____ provides the raw materials and energy necessary for healthy skin
A

Diet

  1. Notes - Homeostasis
19
Q
  1. Limiting sun exposure helps prevent the skin ___________, a disease in which cells divide uncontrollably
A

Cancer

  1. Notes - Homeostasis
20
Q
  1. Identify structure A and describe its function (Golgi Body)
A

A is the Golgi body, it takes proteins and repackages them, then sends it off to where it is needed

  1. Lab - Edible Cell
21
Q
  1. Identify structure C and describe its function (endoplasmic reticulum)
A

The endoplasmic reticulum carries and transports proteins

22
Q
  1. Describe how skin helps maintain body temperature if a person becomes cold/warm
A

The skin helps regulate your body with many things. The hair on your skin will stand up if you are to cold and lay down if you are too hot. You will sweat if you are too hot and your sweat glands will not operate if you are too cold. Your blood vessels will tighten if you are to cold and enlarge if you are too hot.

7th Period McNew_Evan Science (20 decks)

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