Organization
The human body is made up of these...
cells
The chemical portion of a nerve impulse is called a ....
neurotransmitter
These chemical messengers are secreted by the endocrine system
hormones
The digestive system includes the ________, _______and ______________.
mouth, stomach and intestines
AIDS
Since all new cells come from the same single cell, they all share the same......
A nerve cell is also called a .....
neuron
This is the process in which material moves form a high concentration to a low concentration
diffusion
This organ filters toxins and dead red blood cells from the blood.
The liver
This is caused when a cell reproduces at an uncontrolled rate forming a tumor
Cancer
As the body continues to develop, tissues work together to form....
organs
The main organs of the nervous system are the _____ & ________
brain and spinal cord
This is the "pump" that drives the circulatory system
The heart
The job of the immune system is to protect the body against _____________ (disease causing agents)
pathogens
This affects the body's ability to control blood sugar
Diabetes
Organs work together to form.....
organ systems
The nervous system regulates your body with .....
electrochemical impulses
This is the muscle that allows breathing to occur
The diaphragm
These proteins are made by white blood cells to attack pathogens
antibodies
This occurs when the immune system reacts to a harmless substance (such as pollen)
Allergies
homeostasis
This controls reflexes and relays impulses between the brain and body
spinal cord
These are microscopic sacs where oxygen enters the blood and carbon dioxide leaves the blood
The alveoli
This is an injection of a dead or weakened pathogen
Vaccine
This a a form of allergy caused by a reaction to dust particles in the air
Asthma