Too Small to See
what is a cell?
the smallest unit of life
What is the nucleus?
The control center of a cell
What is the digestive system?digests food and absorbs nutrients
What is the digestive system? digests food and absorbs nutrients
What are the brain, spine, and ribs
What are the brain, spine, and ribs parts of the axial skeleton
What is a change in the environment (like a smell, taste, sight)?
What is a change in the environment (like a smell, taste, sight)? stimulus
what is membrane
the outer surface of a cell
What are ribosomes?
build proteins for the cell
What is the muscular system?
provides movement
What are arms, legs and what they attach to?
What are arms, legs and what they attach to? parts of the appendicular skeleton
What is the central nervous system (CNS)?
What is the central nervous system (CNS)? the brain and spinal cord
What is the mitochondria?
provides the cell with energy
What are the cell's demolition sites
lysosomes
bones are part of
skeletal system
What is the hard outer layer of bones?
compact bone
What is the peripheral nervous system?
nerves outside the CNS
What is the fluid that contains all the cell parts
cytoplasm
What are a group of similar cells that work together?
tissues
your lungs are part of this
What is the respiratory system?
What is lightweight bone tissue that contains marrow?
spongy bone
What is the voluntary nervous system?
conscious control system
tubes that transport things in the cell
endoplasmic reticulum
What is a group of tissues that all work together?
organ
body's control system
nervous system
3 functions of skeletal system
support, protection, and movement
unconscious control system (controls heart, digestive system, etc.)
autonomic nervous system