Body Systems And Cells!

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created 9 years ago by Hoobeehoo
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Digestive system, respiratory system, Circulartory System, Excretory System and Cells
Grade levels:
8th grade
Subjects:
science
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1

What are cells?

Cells are the building blocks of all things.

2

Bacteria are among the _______ cells.

Smallest

3

Skin cells function is to?

to protect the inner layers of the body

4

Live and stomach cells function is to?

Help obtain energy from food

5

White blood cells function is to?

Fight disease (soldiers of the body)

6

Nerve cells function is to?

Conduct/Take Messages around the body

7

Smooth Muscle cells function is to?

Contract and bring about movement

8

Skeletel muscles cells function is to?

provide support and movement to/for the body

9

Cells are the smallest living part of a __________ or _________. All living things are composed of ___________ or ________ cells.

Cells are the smallest living part of a plant or animal. All living things are composed of one or more cells.

10

What is cell specialization?

Cell specialization is when a certain type of cell preforms a certain function within an organism/organ.

11

What is cell Division?

Cell division is one a cell spilts in two, then four, and so on and so forth.

12

Digestive Term: Mouth

-Mechanical digestion (breaks down food to be swallowed)
-Chemical digestion (silvia helps break down food to be swallowed)

13

Digegestive Term: Oesophagus

-Moves food to the stomach by peristalsis
-Has a mucous lining

14

Digestive Term: Liver

-Stores vitamins and minerals
-Breaks down poisons
-Produces bile
-COnverts glucose to glycogen

15

Digestive Term: Pancreas

-produces pancreatic juices
-produces insulin
-continues digestion of carbohydrates

16

Digestive Term: Gall Bladder

-Stores Bile

17

Digestive Term: Small Intestines

-where nutrients are absorbed into blood stream by villi
-has a bumpy surface called villi
-has a mucus lining

18

Digestive Term: Large Intestines

-water is absorbed
-stool form here
-has five main parts (anus, rectum, colon, cecum and appendex)

19

Respiratory Term: Lung

The organ for breathing air

20

Respiratory Term: Trachea

narrow tube called windpipe

21

Respiratory Term: Bronchi

two narrow tubes of trachea leading into lungs

22

Respiratory Term:Bronchioles

smaller tubes coming off the bronchi in the lung

23

Respiratory Term: Alveoli

Thousands of tiny air sacs after bronchioles that are connect to cappilaries

24

Respiratory Term: Capillaries

Conect to Alveoli and pass oxygen into the blood stream and C20 (carbon dixoide) back to the lungs

25

Respiratory Term: Diaphragm

Breathing in the diaphragm tightens allowing lungs to expand
Breathing out the diaphragm relaxes releasing air, making lungs smaller

26

Circulatory Term: Heart

The organ which pumps oxygenated blood around the body and then oxygenates deoxygenated blood.

27

Circulatory Term: 4 chambres

left and right atria, left and right ventricles

28

Circulatory Term: valves

4 sets of valves, their job is to stop blood from flowing backwards.

29

Circulatory Term: Aorta

Takes oxygenated blood around to the body

30

Circulatory Term: Vena Cava

Returns deoxygenated blood back to the heart

31

Circulatory Term: Pulmonary Arteries

Takes blood from right ventricle to the lung to be oxygenated

32

Circulatory Term: Pulmonary Veins

Takes blood from the left ventricle to the heart oxygenated

33

Blood Vessels: Artery

-pumps blood away from heart
-thick elastic wlss
-blood is pumped under high pressure

34

Blood Vessels: Vein

-Thin elastic walls
-returns blood to the heart
-low blood pressure

35

Blood Vessels: Capillary

-One cell thick
-They provide oxygen and food to every cell in the body
-They remove carbon dioxide from every cell

36

Plasama is what of blood

55%

37

Serum contains:

Water, protein, C20, waste materials, nutrients and other substances

38

White blood cells

Are the 'soldiers' of the body
Fight diseases

39

Platelets

less than 0.01% of blood
function:aids in clotting the blood (when you cut youself, etc)

40

Each drop of blood contains

300million red blood cells

41

Red blood cells

red blood cells travel around your body up to 300,000 times or about 120days
1.7thousands red blood cells are reproduced each minute.

42

Excretory Term: Kidney

The role of the kidney is to remove nitrogenous wastes from the body. Nitrogenous means that it is a rich element nitrogen.

43

Excretory Term: Liver

Has small organelle which is peroxisome, responsible for converting toxic substances into nontoxic substances.

44

Excretory Term: Ureter/Renal Pelvsis

Pumps urine from the kidney to the bladder,This takes the urine away from the ureter and stores it in the bladder

45

Excretory Term: Urine

A fluid stored in the bladder and removed through the uretha

46

Excretory Term Bladder

Store urine, collects from ureter then removes it by the uretha

47

Excretory Term: Renal Artery

Takes oxygenated blood to the kidney from the the Aorta.

48

Excretory Term: Renal Vein

Takes deoxygenated blood back to the Vena Cave which takes it to the heart to be oxygenated

49

Excretory Term: Uretha

Takes urine from the the bladder to the outside of the body

50

Unicellular Organisms

Is made up of one cell
example: Bacteria and Protist

51

Vacuole (plant cell)

Large sac filled with cell sap, when full helps cell stay firm

52

oxyhaemoglobin

when haemoglobin is carrying oxygen around the body

53

haemoglobin

the pigment that makes red blood cells red

54

Nucleus

Controls everything inside cell and inheritance information.

55

Skin

secretes a waste called sweat (secretion release through oozing a substance through glands or a cell)

56

Fission

The process of which a unicellular divides into two then four and so on and so forth.

57

Anaemic

Is when some has lack of red blood cells

58

Organelles

Thousands or millions of molecules make up organelles. Each organelle is different and had a particular job to do.
Examples: cell wall, chloroplast, cell membrane

59

Organs

Made up of one or more different of tissue and carry out one (or sometimes more) main function or job.
Examples: Brain, Lung, etc