Tissues, Organs And Organ Systems Flashcards

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1
Q

What are specialised cells

A

Adapted cells that have differentiated for specific functions.

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2
Q

Define tissue

A

Arregations of similar cells

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3
Q

Define organ

A

Arregations of tissues performing specific physiological functions.

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4
Q

What is an organ system?

A

Groups of organs working together to form organisms.

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5
Q

Three examples of tissues

A

Muscular, glandular and epithelial.

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6
Q

Muscular tissue is for

A

Movement via contraction and relaxation of limbs.

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7
Q

Glandular tissue is for

A

secreting substances such as enzymes to enable chemical reactions and hormones to control certain functional features of an organism.

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8
Q

Epithelial tissue is for

A

Covering certain parts of the body(skin).

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9
Q

Tissue in the stomach

A

Muscular(churn contents and break up food), glandular(produce digestive juices) and epithelial(cover the outside and inside of stomach).

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10
Q

What does the digestive system do?

A

Enzymes breakdown food into soluble products we can absorb from the digestive system.

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11
Q

Name three insoluble molecules

A

Proteins,starch and carbohydrates.

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12
Q

Name three soluble molecules

A

Amino acids, sugars and fatty acids.

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13
Q

Name three enzymes responsible for the breakdown of large molecules.

A

Protease enzymes.
Carbohydrase enzymes.
Lipase enzymes.

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14
Q

What does protease convert molecules into?

A

Amino acids.

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15
Q

What does carbohydrase convert molecules into?

A

Sugars.

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16
Q

What does lipase convert molecules into?

A

Fatty acids and glycerol.

17
Q

Organs involved in the digestive system

A
The mouth.
The oesophagus.
The stomach.
The liver.
The gall bladder.
The pancreas.
The small intestine.
The large intestine.
18
Q

The salivary glands produce

A

Amylase which can breakdown carbohydrates.

19
Q

The oesophagus helps digestion by

A

Moving the food along.

20
Q

The stomachs role in digestion is…

A

To churn up food and break it down into smaller molecules. It produces the acid which the enzyme pepsin works best in.

21
Q

The livers role in digestion is to produce

A

Bile which neutralises the stomach acid and emulsify oils/fats.

22
Q

The gall bladders role in digestion…

A

Stores bile.

23
Q

The pancreas role in digestion

A

Produces digestive juices containing the enzymes protease, amalayse and lipase which are released into the small intestine.

24
Q

The small intestines role in digestion

A

Absorption of soluble food into the bloodstream occurs here.

25
Q

The large intestines role in digestion

A

Excess water is absorbed from the undigested food, producing faeces…