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Human Body Project

This is my human body project.

justin payette

on 28 May 2011

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Transcript of Human Body Project

All about the Human Body Levels Of Organization Cells Level 1: Level 2: Tissues Cells are a simple unit of structure and function made up in living things. They serve a specific type of function in the organism. Some examples of them would be nerve cells, blood cells, bone cells, etc. There are 5 levels of organization that make up a living thing. Tissues are made up of many cells that are similar in structure and also in function in which they work together to perform a particular activity. Some examples would be blood, nervous, and bones. We humans consist of four different types of tissues: connective, epithelial, muscle, and nerve. Level 3: Organs Organs are made up of tissues that
specify in a particular activity within the
organism. Some examples would be
the heart, brain, lungs, liver, and skin. Level 4: Organ Systems Organ systems are groups of organs that work together to perform certain tasks in the body. Some examples would be the circulatory system, nervous system, skeletal system etc. The human body has 11 organ systems all together. Level 5: Organisms Organisms are entire living things that carry out basic life. They are made up of primarily organ systems but can be made up of one cell like bacteria or protists. Some examples are protists, bacteria, mushrooms, humans, etc. Organ Systems Muscular System: It allows movement of the body. Nervous System: Allows the internal organs to function and responds to the changes in the outer environment. Respiratory System: It provides the body with via gas (oxygen) to allow life. Skeletal System: It is the framework and structure of your body in which it supports. Excretory System: It is where your wastes from your body disposes the wasting matter. Digestive System: Is the system where the organs break down and digest the food into wasteful materials and then dispatched in the excretory system. Circulatory System: It passes the nutrients and helps fight diseases while regulating your body temperature. Immune System The bodies natural defense mechanism.
It is used to fight off bacteria and diseases
and any harmful matter. It protects against
viruses such as HIV/AIDS. It is your only
protection your body has against for foreign invaders. By Justin Payette Endocrine System: It associates with the chemical
messages throughout the body. Reproductive Systems: Is to
manufacturethe cells to reproduce.
The sperm and the eggs conjoined
is the process of reproduction. Lymphatic System: Is the immune
system and the main roll is to destroy
microbes and viruses in he human body. Brain: Contains neurons which is
part of the nervous system. All muscles in the body. Lungs Where oxygen enters Bones which is the
framework of your
body Where your body diposes wastes Where your body digests food. Circulatory System Endocrine System Macrophages are a type of white blood
cell that attacks foreign invaders in the human
body proventing them from doing harm. T-cells are blood cells that protect the
body from infections. B-cells are blood cells like t-cells, they
play an important role in the immune
system. T-cell killing cancer cell Macrophage B-cell Muscular System: Is what allows us species
to move. There are three types of muscles.
Cardiac muscle is the tissue that
makes up the wall of the heart and
an example would be the heart itself.
Another would be skeletal muscles
and they are made of long muscle
fibers and takes most of a persons
body weight. The last type of muscles
would be smooth muscles and are
found in the urinary bladder, gallbladder,
arteries, and veins. Flexor muscles are muscles that help
bend the joints.Extensor muscles are
muscles that are used when bending
the joints for flexibility of the muscles. Muscular System Skeletal System Tendons are fiberous bands
that connect the muscle to the
bone. Ligaments are tissues that connect
the bones. The function of the skeletal system
is for the body to be upright and
have its own framework. That's
what it is meant for. Bones are calcified connective
tissue that make up the skeleton
of the human body. The ball and socket joints allow
the most rangement of movement. 1. 2. Hinge joints are joints that only allow movement in one direction. 3. Condyloid joints are joints that can move but not rotate and are oval shaped. 4. Pivot joints are joints that allow you to rotate, or move side to side in any direction. 5. Saddle joints are in only one type of the body and thats in the thumb. It allows you to move in any direction except no pivoting. Bones act as levers because they are
connected to muscle and move in
a certain direction, as a lever would.
So you can consider that bones can
act as a lever. Nervous System It is mainly used for
coordination and thought
used by the brain. Sensory neurons carry
messages to the central
nervous system. Motor neurons transmit
messages to the muscles
or glands. Interneurons connect
neuron to neuron and
are found in the central
nervous system. Peripheral nervous system
consists of the nerves and
outside of the brain and
spinal cord. The main function
of is to connect the central
nervous system to the limbs
and organs. Unlike the central
nervous system the peripheral
nervous system is not protected
by the bone of spine and skull. The central nervous system
receives messages and information
and then coordinates to body
called coordination. The autonomic nervous system
controls your non-controllable
actions. Like your heart beating
is an example. The somatic nervous system
is what regulates your body's
movement all the time. The Brain The brain has three parts to it. Cerebrum: Is part of the brain
that controls many things. The
different sides of the cerebrum do
different things for each sides of
the body. The right side of the
cerebrum controls imagination.
The other side of the brain, the
left side, controls numbering skills,
posture, and reasoning. 1. The cerebellum is the part
of the brain where the
advanced functions take
place. The cerebellum controls
posture, balance, and coordination. 2. The brain stem is connected
to the spinal cord and is in
the lower part of the brain
and controls breathing. 3. The digestive System Cerebrum Brain stem Cerebelum Esophagus Stomach Pancreas Large Intestine Small Intestine Rectum Liver Gallbladder Food enters through the mouth
than travels down the esophagus.
Then to the stomach and broken
down and into the small intestines
and digested there. After that the
large intestine and comes out of the
rectum. Mouth: Breaks down food and chews it
to be swallowed. Esophagus: carries down food or liquids
to the stomach. Stomach: Is where digestion of the protein
begins in thick muscular walls. Small intestines: Is where food breaks down
and is digested. Large intestines: It is also another part of
breaking down food. Liver: The main job is changing the food
into energy so we can live. Pancreas: It produces hormones and helps digest food as well.
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