Heart Flashcards
1
Q
Why are valves present?
A
To prevent the backflow of blood.
2
Q
What’s the magnification equation?
A
Magnification = image size / actual object size
3
Q
What is a pathogen?
A
A micro organism that causes disease
4
Q
What is transpiration?
A
The loss of water vapour from the leaves by evaporation from the cells abd then out through the stomata
5
Q
What is a tissue?
A
A group of cells with a similar structure and function
6
Q
What is antibiotics do?
A
Antibiotics slow/ stop growth of bacteria
7
Q
What do vaccines do?
A
They activate an immune response to stop diseases from entering
8
Q
What does a vector in malaria do?
A
Transmit diseases
