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The Human Body

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Clarrisa Costen

on 19 May 2014

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Transcript of The Human Body

The Circulatory System
*Digestive System*
By CLarrisa Costen
*Respiratory System*
The Skeleton
About The Human Body
Muscular System
The Skin
Endocrine System
Provides support, structure, movement, protection, and storage
Made up of 206 bones held together by joints and ligaments
Helps the body maintain homeostasis
There are 4 main layers of bone:periosteum, compact bone, spongy, and marrow
There are 4 main joints that hold together bones: ball & socket, hinge, saddle, and pivot
some allow more mobility and flexibility than others
bendable and soft
In places like human ears and noses
Plates in between bones
Types of muscle
3 kinds of muscle: Smooth, Cardiac, and Skeletal
Acts as an interface between the body and the environment
Makes up about 16% of all body weight
Protects the body against harmful things such as chemicals and U-V lights and is water proof
Is a sensory organ; can detect heat, pressure, pain, and more
Layers of the Skin
The layers are: Epidermis, Dermis, and Hypodermis
Many organs ranging from the mouth to the anus
These organs work together to extract and use the nutrients in food
The smooth muscle in the organs pushes the food threw the tubes using peristalsis
Enzymes help break down the food through out the digestive tract
Digestive Tract
The process starts when food is consumed through the mouth
It then travels to the esophagus, stomach, small intestine, large intestine, then anus
Distributes blood all over body
Does this to give the nutrients to all the body parts
It is a cycle that goes on though out the life of the human body
The human body is made of multiple organs and tissues
Everything depends on other parts to function correctly
The body is run by the brain
Working to keep homeostasis

What is in Blood?
Red blood cells, white blood cells, and platelets
All of the above float in Plasma
Fatty layer
extension granted
The Heart
Veins and Arteries
Arteries flow blood away from the heart and get smaller as they go
Veins flow blood back to the heart and get wider as they go
Veins also have valves so the blood doesn't flow backwards
The process in the left side and right side happen at the same time
The muscle of the heart is very muscular
There are arteries on the heart to nourish it as well
The functions of blood
Distributes oxygen and nutrients
Protect against infection
Regulate body temperature
Get rid of waste gasses and other cellular wastes
Used as transportation of hormones and enzymes
Its purpose is to provide oxygen for the blood to distribute
It also is used for getting rid of carbon dioxide (a waste gas of cellular respiration)
Humans use lungs instead of simple diffusion
Respiratory Tract
4 main parts: nose/mouth, pharynx, trachea, bronchi, and lungs
Surround the whole body and protect it
Temperature regulation
Help pump blood
Enable the skeletal system to work
Lymphatic System
Glands all over the body to regulate the body
These glands make and secret hormones
The endocrine system is basically the definition of homeostasis
Major Glands
The 5 major glands are the pituitary, thyroid, adrenals,pancreas,and gonads
Stones in the system
Gallstones is a common digestive tract problem, especially in woman
Stones are created in the gallbladder by mineral deposit and build up
Can range from sizes of a grain of sand to a golf ball
Peptic Ulcers
A common problem with middle aged people
When the protective lining in the stomachs rubs away
causes great pain
A less severe version of this is heart burn, which has nothing to with the heart, but is in the esophagus
Inflamed air ways
long term
affects people of all ages
Risk of asthma increases when air from bad environments is constantly breathed is
The bodies immune system
Vessels all over body
References will be on an attached word document
Full transcript