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Science 306-03 > Science Sec 3 - Tissue, Organ, System > Flashcards

Science Sec 3 - Tissue, Organ, System Flashcards

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Biology 101 flashcards
1
Q

Define

Tissue

A

A group of similar cells that function together as a unit to accomplish specific functions.

Similar, but not necessarily identical

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2
Q

True or False

All cells of a tissue must be identical.

A

False
A tissue is a group of cells, whether identical or not, contributing to the same function in the body. Therefore, it is not necessary for all cells to be identical to constitute a tissue.

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3
Q

True or False:

To be considered a tissue, the cells must adhere to each other. The adhesion is the result of either a substance covering the cells or from an intertwining of fibres between the cells.

A

True!
Adhesion is an important characteristic of tissue cells

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4
Q

Name:

4 types of tissues

A

Connective tissue
Epithelial tissue
Muscle tissue
Nervous tissue

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5
Q

Where is the epithelial tissue found?

A

It covers and protects organs on the inside and outside of the body
1. skin
2. salivary gland
3. small intestine
4. kidney

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6
Q

Describe

Role of the epithelial tissue

A

The epithelial tissue secrets, absorbs and filters substances.

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7
Q

Identify:

The most common type of tissue found throughout the body.

A

The connective tissue

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8
Q

Give 5 exemples

Connective tissue

A

ex1: tendons
ex2: cartilage
ex3: fatty tissue
ex4: bone tissue
ex5:blood tissue

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9
Q

Describe

What is the role of the connective tissue

A

The connective tissue binds (connects) and supports tissues and organs in the body.

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10
Q

Identify:

2 characteristics of the muscle tissue

A
  1. It can contract and regain it’s shape so body can move.
  2. The contraction can be volontary or involontary.
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11
Q

Identify

Tissue made up of neurons

A

Nervous tissue

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12
Q

Identify

Type of tissue found outside of the body (ex: skin)

A

The epithelial tissue

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13
Q

Identify

Tissue that line the respiratory tract

A

The endothelial tissue

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14
Q

True or false

Blood is a type of connective tissue

A

True!

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15
Q

Name

Muscle tissue whose contractions are involontary

A

Cardiac muscle tissue (ie, the heart)

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16
Q

Identify:

3 types of muscle tissue

A
  1. Skeletal muscle tissue (attached to bones)
  2. Smooth muscle tissue
  3. Cardia muscle tissue
17
Q

identify

3 organs where smooth muscle tissue plays a role

A

It the lining of organs that contact like
1. stomack
2. bladder
3. uterus
4. some blood vessels

18
Q

Describe:

The fonction of nerve tissue

A

Control and guide the activities of the body so message can go from the brain to other parts of the body.

19
Q

FIll the blank

The functions of the ____ tissue consist in receiving external stimuli, analyzing them, and transmitting a response

A

Nervous tissue

20
Q

What kind of tissue is this:

A

Nervous tissue

21
Q

Fill the blank:

____ tissue is made up of elongated cells that have the ability to contract.

A

Muscle tissue

22
Q

Identify

3 locations where nerve tissue can be found

A
  1. brain
  2. nerves
  3. spinal cord
23
Q

Define

Organs

A

A group of two or more different tissue types that perform one or more specific functions.

24
Q

GIve exemples

Organs

A
  1. stomach
  2. heart
  3. lungs
25
Q

A structure composed of tissues grouped together to perform one or more specific functions is called an ____.

A

organ.

26
Q

Define

Systems

A

A group of tissues and organs that work together to accomlish a common task.

27
Q

FIlls the blanks

A ____ is a group of ____ and ____ working together to accomplish a ____.

A

system
tissues
organs
common purpose.

28
Q

Fill the blank:

SPECIALIZED CELLS that perform a common function are called ____

A

tissues

29
Q

various types of ____ can form an ____, which can form systems, which in turn form an ____, in this case, a human being.

A

tissue
organ,
systems,
organism,

30
Q

Describe:

The role of the cardiac system

A

The cardiac system
1. circulates blood
2. tansports nutrients
3. eliminates waste

31
Q

Describe:

The role of the digestive system

A

Breaks down and absorbs nutrients and eliminates waste.

32
Q

Describe:

The role of the excretory system

A

Makes sure that waste leaves the body

33
Q

Describe

The role of the lymphatic system

A

Works with the immune system to fight foreign microorganisms

34
Q

Describe

The role of the musculoskeletal system

A

Gives body support and mobility

35
Q

Describe

The role of the nervous system

A

Controls entire organism (and makes thought and memory possible)

36
Q

Describe

The role of the reproductive system

A

Allows sexual reproduction to happen

37
Q

Describe:

The role of the respiratory system

A

Helps the body absorb oxygen and release carbon dioxide

38
Q

Identify this system

A

The respiratory system

Science 306-03 (8 decks)

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