specialised cells + hierarchy Flashcards
1
Q
what are multicellular organisms?
A
made up of more than one cell type
2
Q
what are specialised cells?
A
cells designed to carry out a particular role in the body
3
Q
what are examples of specialised cells?
A
- red blood cells
- sperm cells
- white blood cells
- egg cells
4
Q
red blood cells
specialisation:
function:
A
- no nucleus/biconcave
- carry oxygenated blood around the body
5
Q
sperm cell
S:
F:
A
- has a tail
- swim to fertilise egg
6
Q
white blood cell
S:
F:
A
- produces antobodies
- destroys pathogens
7
Q
egg cell
S:
F:
A
- contains a food store
- develop embryo
8
Q
hierarchy
A
cell -> tissue -> organ -> organ system
9
Q
cells
A
the most basic unit of life
10
Q
tissues
A
groups of cells working together to perform a function
11
Q
organs
A
different forms of tissue working together to perform a function
12
Q
organ systems
A
different organs working together to perform a particular function
