year 7 Flashcards
what is a cell membrane
a cell membrane protects the cells like a border
what does the nucleus do
stores and protects DNA
what is mitrochondria
the fluid that surrounds the nucleus
what is apparatus
its the lab exiperment, including flasks,
what is a vacuole
a vacuole gives structure
what does choroplast do
it generates sunlight into energy
what is the cell wall
surrounds the membrane and gives structure and support
what is a cyptoplasm
its a thick fluid that fills the cells
what is the skeleton system made of
206 bones
what are bones made of
calcium, protein, collegen and minnerals
what does a penis do
it is used for urination and sexual activities
why do boys need a scotrum
to protect their balls/testicles
what do testicles do
they produce sperm and nsend hormones throughout the body
what are sperm ducts
they are the tube in the testicle that transfer sperm away from its storage space inside the ball
what does the vagina do
enables having sex, periods and birth
