B2.2 Flashcards

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1
Q

What is a group of similar cells called?

A

Tissue

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2
Q

What is muscle tissue made up of?

A

Muscle cells

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3
Q

What are the 3 types of tissues?

A

~ Muscle tissue
~ Glandular tissue
~ Epithelial tissue

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4
Q

What is an organ made up of?

A

Different tissues that work together to do a particular job

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5
Q

What does the muscular tissue in the stomach do?

A

Churns the contents

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6
Q

What does the glandular tissue in the stomach do?

A

Produces digestive juices

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7
Q

What does the epithelial tissue in the stomach do?

A

Covers the outside and the inside of the stomach

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8
Q

What is an organ system?

A

A group of organs that perform a particular function

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9
Q

What does the circulatory system do?

A

Transports substances around the body

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10
Q

What does the digestive system do?

A

Digests and absorbs nutrients

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11
Q

What does the nervous system do?

A

Regulates and controls

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12
Q

What does the reproductive system do?

A

~ Produces gametes in mammals

~ The female system carries a fetus and gives birth

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13
Q

What does the respiratory system do?

A

Controls the exchange of gases

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14
Q

What does the skeletal system do?

A

Supports and protects the body

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15
Q

What does the urinary system do?

A

Removes water and waste from the body

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16
Q

What glands are part of the digestive system and what do they do?

A

~ Pancreas
~ Salivary glands
~ Produce digestive juices including enzymes

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17
Q

What does the small intestine do in the digestive system?

A

Absorbs soluble foods

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18
Q

What does the large intestine do in the digestive system?

A

Absorbs water from the undigested food which produces faeces

19
Q

What does the liver do in the digestive system?

A

Produces bile (this is then stored in the gall bladder)

20
Q

What do some plant organs include?

A

~ Stems
~ Roots
~ Leaves
~ Flowers

21
Q

What are the names of some plant tissues?

A

~ Epidermal tissues
~ Mesophyll
~ Xylem and Phloem

22
Q

What do the epidermal tissues in a plant do?

A

Cover the plant

23
Q

What does mesophyll in a plant do?

A

Carries out photosynthesis

24
Q

What does xylem in a plant do?

A

Transports water and salts up the stem to the leaves

25
Q

What does phloem in a plant do?

A

Transports dissolved food substances made in the leaf to all parts of the plant

26
Q

What does the upper epidermis of a leaf do?

A

It’s cells are thin and flat to allow light to pass through

27
Q

What do the palisade cells of a leaf do?

A

They contain chlorophyll for photosynthesis

28
Q

What does the spongy layer in the middle of a leaf do?

A

It has gaps to allow the passage of oxygen and carbon dioxide

29
Q

What does the lower epidermis of a leaf do?

A

Contains stomata to allow gaseous exchange for photosynthesis

30
Q

Where is the mesophyll layer of a plant?

A

In the middle

31
Q

When you eat a fatty meal what does your body release?

A

It releases bile into the small intestine

32
Q

What colour does phenolphthalein go in the presence of acids and alkalis?

A

Acids - clear

Alkalis - pink

33
Q

What does bile do?

A

~ Neutralises acid from stomach
~ Provides alkaline conditions for the enzymes in the small intestine
~ Emulsifies fat

34
Q

What is a gland?

A

A specialised cell or group of cells that produce and excrete substances like hormones and enzymes

35
Q

Which part of the digestive system begins the process of digestion?

A

Salivary glands

36
Q

What are the two types of mesophyll called?

A

~ Palisade mesophyll

~ Spongy mesophyll

37
Q

What do cells do during the development of a multicellular organism?

A

Differentiate so they can perform different functions

38
Q

What does muscular tissue do in the body?

A

Contracts to bring about movement

39
Q

What does glandular tissue do in the body?

A

Produce substances like enzymes and hormones

40
Q

What does epithelial tissue do in the body?

A

Covers some parts of the body

41
Q

What does xylem transport around the plant?

A

Water and salts up the stem to the leaves

42
Q

What does phloem transport around the plant?

A

Dissolved food substances made in the leaf to all parts of the plant

43
Q

What does the lower epidermis in a leaf do?

A

Contains stomata to allow gaseous exchange for photosynthesis