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Revising (Only for owner) > Body Bits Revision > Flashcards

Body Bits Revision Flashcards

1
Q

What is the function of Amylase?

A

Amylase is in the mouth in the saliva, it breaks down the carbohydrates into glucose.

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2
Q

What is the function of protease and pepsin?

A

It is in the stomach where protease is produced to break down proteins to amino acids.

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3
Q

What is Lipase function?

A

In the small intestine, lipase is produced to break down all the fats into fatty acids and glycerol.

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4
Q

Which teeth type does biting, slicing and cutting?

A

Incisors

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5
Q

Which teeth type does tearing and ripping?

A

Canines

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6
Q

Which teeth type does chewing?

A

Premolars and Molars

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7
Q

Whats the function of Incisors?

A

biting, slicing and cutting

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8
Q

Whats the function of Canines

A

Tearing and ripping

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9
Q

Whats the functions of Premolars and molars?

A

Chewing

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10
Q

What type of teeth herbivores should use for grinding tough plant food?

A

Big flat molars, sharp incisors

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11
Q

What type of teeth should carnivores have to tear and cut meat?

A

Large canines and sharp molars.

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12
Q

What are enzymes?

A

It is a type of protein in a cell.

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13
Q

Where can enzymes be found in the digestive system?

A

Your stomach, pancreas and small intestine. (Digestive enzymes)

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14
Q

Order from mouth to anus in the digestive system.

A

Mouth
Salivary Glands
Oesophagus
Stomach
Gall bladder, Pancreas, Liver
Small intestine ( duodenum, ileum )
Large intestine
Rectum
Anus

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15
Q

What is the function for the liver?

A

Produces bile to help break down lipids (fats).

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16
Q

What is the function for the stomach?

A

To kill bacteria and enzymes to digest food.

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17
Q

What is the function for the large intestine?

A

to absorb water from the waste food.

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18
Q

What is the function for the small intestine?

A

to absorb the nutrients from the food to your bloodstream.

19
Q

What are the four chambers of the heart?

A

Left and right atrium
Left and right ventricles

20
Q

What is the circulatory system’s function?

A

To carry oxygen and nutrients to the cells around the body and carries the waste food and carbon dioxide in the veins.

21
Q

What is the function of the Aorta?

A

It carries deoxygenated blood to the rest of the body.

22
Q

What is the function of the Right Atrium?

A

To receive the deoxygenated blood from the body

23
Q

Define ‘Respiratory System’

A

Your respiratory system is the system of organs and tissues that help you breathe.

24
Q

Explain how gas exchange works.

A

During gas exchange, oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs.

25
Q

What is the word equation for Respiration?

A

Food + Oxygen —> Energy + Carbon Dioxide + Water

26
Q

Explain why the percentage of carbon dioxide exhaled air is higher than inhaled?

A

The percentage of Carbon dioxide is released during respiration therefore the % is higher in the exhaled air.

27
Q

What properties does the alveoli membrane surface need for gas exchange?

A

Thin, moist and a large surface area.

28
Q

Explain the function of the trachea.

A

To carry air in and out of your lungs

29
Q

Define respiration.

A

The exchange of oxygen and carbon dioxide.

30
Q

Where does mitosis occur in the body?

A

Everywhere in the body except se

31
Q

Where does meiosis occur in the body?

A

Ovaries for eggs, testicles for sperm.

32
Q

What are the amount of chromosomes produced in meiosis and mitosis?

A

halved for each cell, the same for each cell.

33
Q

Define ‘Gene’

A

Its a part of DNA which is found in a small part of the chromosome.

34
Q

Define ‘Allele’

A

It’s the different versions of each gene.

35
Q

Define ‘DNA’

A

DNA is a long chained molecule made up of two strands forming a double helix.

36
Q

Define ‘Chromosomes’

A

The strands of DNA inside.

37
Q

What is the number of daughter cells produced in Meiosis and Mitosis?

A

4 Cells
2 Cells

38
Q

What are the steps of DNA replication?

A
  1. The DNA molecule unzips with a help of an enzyme
  2. ANother enzyme uses the base pairing rule (A-T and C-G) to form new strands of DNA for each parent strand (old strand)
  3. Two DNA Molecules are produced, each made up of one strand from the parent DNA molecule and the other strand is new.
39
Q

Why does DNA replicate?

A

So that the new cells that are produced after cell division contain the same genetic info as the parent cell.

40
Q

What would happen without DNA replication?

A

Then the new cells that are produced during the meiosis and mitosis would eventually not have the genetic info that was present in the parent cell.

41
Q

What are nucleotides, base, phosphate and sugar?

A

The building blocks for DNA

42
Q

What is the order as the blood pumps through the heart?

A

1) body
2) superior vena cava
3) right atrium
4) tricuspid valve
5) right ventricle
6) pulmonary arteries
7) lungs
8) pulmonary veins
9) left atrium
10) mitral or bicuspid valve
11) left ventricle
12) aortic valve

43
Q

What are the four heart valves?

A

Tricuspid valve
Pulmonary valve
Mitral valve
Aortic valve

Revising (Only for owner) (3 decks)

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