av Marta Balko 6 år siden
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Three Vital Functions
The human body relies on several key systems to maintain health and functionality. The excretory system is responsible for removing waste through organs such as the kidneys and bladder.
av Marta Balko 6 år siden
190
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Expel waste from our body.
Kidneys,Ureters, Bladder,Urethra, Renal Arteries and Sweat Glands.
Help us breathe, extract Oxygen and expel carbon dioxide.
Nose,Lungs,Mouth, Diaphragm,Pharynx, Trachea,Bronchi.
Extract Nutrients from food and expel waste.
Mouth,Oesophagus,Stomatch, Small Intestine,Large Intestine, Pancreas,Liver,Anus and Rectum.
Transport Oxigen and Nutrients around the body.
Heart,Veins and Arteries
Flexible Joints
They allow a lot of movement
Example: Shoulders
Semiflexible Joints
They allow some movement
Fixed Joints
They don't move
Example: Cranium
Types of muscles
Cardiac Muscles
Involuntary Muscles
Example: The Heart
Smooth Muscles
Involuntary Muscles.
Example: Intestines
Skeletol Muscles
They work in pairs.
Example: Triceps and Biceps
Are controled by the Nervous system, they contract and relax and give our body shape.
Types of bones
Flat Bones
They protect our internal organs.
Example: Ribs
Long Bones
Are used for movement.
Example: Femur
Short Bones
They provide stability and support.
Example: Vertebrae
Function
Support our bodies, give shape to our bodies and to protect our internal organs.
Controls the reflex actions
Brain Stem
Involuntary Movements
Cerebellum
Balance,movement and coordination.
Cerebrum
Processing information,emotions thinking,learning,behaviour and voluntary movements.
