cells, bones Flashcards
(19 cards)
which four cell components are in both animal and plant cells?
nucleus, cell membrane, cytoplasm and mitochondria.
what is a nucleus?
an organelle containing DNA, genetic information
what are tissues?
a group of same cells that work together
how many bones?
206
what is bone marrow?
soft, fatty tissue inside of bones
what do you need for strong bones
vitamin d and calcium
what are ligaments
join bones to bones
what are tendons?
join muscle to bone
where do you find cardiac muscles?
in ur heart
how many muscles are there in the human body
600
what are antagonistic muscles?
one pulls one relaxes
what is the digestive system?
it breaks down food so nutrients can be absorbed by blood.
what is the circulatory system?
group of blood vessels that carry blood to and from the heart
what is membrane?
Membrane is a layer of skin used a bit like padding for bones
what is cytoplasm?
the gelatinous liquid that fills the inside of a cell.
what is mitochondria?
gives the cell energy
what are chloroplasts?
contains chlorophyll which is a green pigment and is used in photosynthesis
what is a food chain?
shows the flow of energy
