Digestion Flashcards
vocabulary words for science Grade 7
Digestive
Take in food to make it into smaller molecules so you can absorb nutrients and then remove indigestible food from the body.
transport materials to and from cells
Circulatory
Gathers and interprets information and responds to the information. Helps maintain homeostasis.
Nervous
Excretory
Removes waste products from cellular metabolism. Filters blood
Takes in oxygen and removes carbon dioxide and water
Respiratory
Protects organs, provides shape support, stores materials, produces blood cells, and allows movement.
Skeletal
Muscular
Allows for movement by contracting
Endocrine
regulates body activities using hormones. (slow response, long lasting)
Cell membrane
cell boundary that controls what enters and leaves the cell
Cell wall
A semirigid structure that surrounds cells of plants, fungi, and bacteria.
Chloroplasts
Organelles containing chlorophyll found in plant cells and some protists
Cytoplasm
Internal fluid that contains the cell structures.
Endoplasmic reticulum
a network of membranous tubules that
produces proteins and lipids
Nucleus
contains the cell’s genetic material (DNA), which determines the nature of cell structures and substances.
Ribosomes
synthesize proteins in the cell