science revision bones Flashcards
What is the function of a skeleton?
To support your body like the heart and protects the organs like the lungs, the skeleton also enables the body to move and make blood cells.
What is a spongey bone
The spongey bone is the top of the bone which is made up of small needle like pieces of bone.
What is the function of the muscles
Muscles contract and relax to pull on the bones allowing us to move
What are the 2 main types of cells
Animals and plant cells
What are organelles
A small structure that is found in cells
what is the function of Mitochondria
It releases energy
What is the function of a cell membrane
It controls what goes in and out of the cell
What is the function of the nucleus
It controls the cell and stores DNA
What is the function of ribosomes
Makes proteins
What is the function of cytoplasm
It is the jelly like substance where chemical reactions take place
What is a vacuole
a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
What are chloroplasts and chlorophyll
Chloroplasts contain the pigment chlorophyll to absorb light energy
What job does the root hair cell have
To absorb water minerals
