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Perry_Anna Science > Perry_Anna - Test Skin > Flashcards

Perry_Anna - Test Skin Flashcards

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Biology 101 flashcards
0
Q
  1. How does the skin help regulate body temperature?
A

By allowing body temperature to change when the weather becomes warmer or cooler.

  1. Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
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1
Q
  1. For a cell to move from the basal layer to the top layer of the epidermis takes approximately ________.
A

2 weeks

  1. WKST -Skin
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2
Q
  1. Where is the basal layer located and what is in it?
A

The basal layer is underneath the dead skin cells in the epidermis. It is where new cells are made.

  1. CLF - Skin
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3
Q
  1. What is below the dermis?
A

Hypodermis

  1. CLF - Skin
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4
Q
  1. What muscle comes off of the sebaceous gland?
A

Arrector pili muscle

  1. CLF - Skin
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5
Q
  1. When the body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by….
A

An increase in sweat gland activity and an increase in blood-flow to the skin

  1. IHM - Skin Questions
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6
Q
  1. The protein that helps protect the skin and the underlying tissue is…
A

Melanin

  1. WKST-Skin
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7
Q
  1. Know the difference between a graduated cylinder and a beaker
A

A graduated cylinder is taller and a beaker is bigger around and measures 1 cup.

  1. Lab - Temperature and Enzyme
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8
Q
  1. The Independent variable our experiment with the potato was….
A

The water temperature

  1. Lab - Temperature and Enzyme
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9
Q
  1. The equation that breaks down hydrogen peroxide is a(n) _________ equation in our potato experiment.
A

Decomposition

  1. Lab - Temperature and Enzyme
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10
Q
  1. Hair and nails are composed mainly of…
A

Keratin

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11
Q
  1. The layer of skin that contains blood vessels is the…
A

Dermis

  1. WKST-Skin
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12
Q
  1. Skin cells produce ________ which helps your digestive system absorb calcium.
A

Vitamin d

  1. WKST-Skin
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13
Q
  1. What happens when your blood vessels widen?
A

The blood vessels near the skin widen when you are over heated. They do this because the parts of your body away from the center are cooler. When the blood comes back into the center, it is cooler.

  1. Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
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14
Q
  1. Describe the life cycle of an epidermal cell.
A

Epidermal cells that were made in the basal layer gradually are pushed up towards the surface of the skin over the timespan of about 2 weeks. When they are at the surface they die and fall off, and might become part of the dust in your house.

  1. CLF - Skin
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15
Q
  1. Fat is one kind of _____ tissue.
A

Hypodermis

  1. Skin and Acne Brainpop

Perry_Anna Science (27 decks)

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