Topic 2:Growth in Animals Flashcards
1
Q
What is growth a result of and due to what process?
A
- increase in number or size of cells
- mitosis
2
Q
How is growth in animals recorded?
A
- length
- mass
3
Q
What does 25th percentile?
A
-25% are below the 25th percentile curve
4
Q
Should the baby remain in the same percentile curve as it gets older?
A
-yes
5
Q
What is differentiation?
A
-less specialised cells become into more specialised cells
6
Q
Features of a red blood cells
A
-no nucleus - increase in SA
7
Q
Features of a fat cell
A
-large fat droplet in cytoplasm; stores energy if the body needs it
8
Q
Features of nerve cell
A
- axon - carries nerve impulses around the body
- dendrites - makes contact with other neurones
9
Q
Features of a muscle cell
A
-special contractile protein which can shorten the cell
