a body system made up of all the muscles of the body that cause movement when they contract, or shorten
muscular system
the body system made up of the organs that bring oxygen into the body and remove carbon dioxide waste
respiratory system
a thin slice of an organ or tissue made by cutting through it
cross section
a bundle of nerve cell axons that transmit information to and from the brain and spinal cord
Nerve
a change in the internal or external environment that causes the nervous system to react
Stimulus
a body system made up of the framework of bones that supports an organism’s body, protects its internal structures, and allows the body to move
skeletal
the body system made up of the organs that get rid of waste
excretory system
a group of structurally similar cells that work together to perform a specific function; a level of organization above cells
tissue
an organ of the nervous system that processes information received from both outside and inside of the body
brain
specific kinds of neurons that detect stimuli from outside or inside of the body
Sense Receptors
What is an Organ?
a typically self-contained structure that carries out a particular function for the body
What is the main organ of the respiratory system?
The Lungs
the smallest unit of life; A cell has a distinct shape and function
Cell
an organ of the nervous system that transfers information between the brain and other parts of the body
Spinal Chord
What are the sense receptors called on the tongue?
Taste Buds
the body system made up of organs that break down food into substances that can be absorbed and used for energy and gets rid of the remaining solid waste that cannot be absorbed
digestive system
What is the main organ of the circulatory system?
The heart
the enlarged appearance of an object when viewed through a microscope
Magnification
the main cell of the nervous system that transfers signals to, from, and within the brain
Neuron
What are the 2 different types of memory?
the body system made up of the heart and blood vessels that circulate blood through the body
circulatory system
What is the main organ of the skeletal system?
The bones
What is the level of organization in our bodies? (Think pyramid)
Cells - Tissues - Organs - Body Systems - Organisms
The body system that collects and responds to information from inside and outside of the body; consists of the brain, spinal cord, and a network of nerves
Nervous System
What does the brain control?
Everything in our bodies