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Circulatory System

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by

Gertjan Goossens

on 13 January 2016

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Transcript of Circulatory System

WHAT IS
in blood?
composition
Circulatory System
the Heart
Blood cells
mouth
small intestines
Large intestine
First part of the large intestine is
the caecum
blood cells
plasma
white blood cells
platelets
for oxygen transport
contains haemoglobin
no nucleus
5 million per mm
protection against parthogens
can change form
nucleus
7,000 per mL
clutting of blood
fragments of cells
no nucleus
300,000 per mL
What is blood circulation?
What do you need
for circulation?
blood vessels
starch
glucose
enzymes
salivo contains
teeth: chewing, enlarge surface area
esophagus
pharynx
muscles for mixing food
adds acids - kills bacteria
enzymes
proteins
amino acids
gastric juice
STOMACH
spincter
food
duodenum
small intestines
duodenum
gallbladder
cecum
colon
stomach
liver
liver bile (stored in the gallbladder)
works as emulsifier
fat
duodenum
small intestine functions
absorb nutrients
Functions large intestine:
absorbtion of water
digestion of cellullose (plant material) glucose
absorbtion of glucose into the blood
Second part is the large intestine,
about 1.5 m long
Final part of the digestive tract is the
rectum, where faeces is stored
1
2
3
pancreas
pancreatic
juice
CH
P
enzymes
P=proteins

CH=Carbo
hydrates
enzymes break down nutrients
1
2
2
2
3
red blood cells
3 types:
low blood pressure
blood flowing to the heart
with valve
thin wall
pulmonary
circulation
systemic
circulation
arteries
veins
with blood flowing
from the heart
blood
heart
vena cava superior
vena cava inferior
coronary artery
coronary vein
main artery (aorta)
LEFT ATRIUM
main artery
LEFT VENTRICLE
RIGHT ATRIUM
RIGHT VENTRICLE
main artery
RIGHT
LEFT
the inside
of the heart
blood flows in the atrium
atrium contracts
blood flows in the ventricle
ventricle contracts
blood flows in the artery
3
Double
circulation
capilaries
found in organs
1 cell layer thick
gas exchange
Full transcript