The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration.
diffusion
3 of 18
The movement of water molecules across a partially-permeable membrane from a region of low solute concentration to a region of high solute concentration.
osmosis
4 of 18
Tiny holes in the epidermis (skin) of a leaf - usually on the undersides of leaves. They control water loss and gas exchange by opening and closing.
stomata
5 of 18
A chemical process used by plants and algae to make glucose and oxygen from carbon dioxide and water, using light energy.
photosynthesis
6 of 18
Tiny air sacs in the lungs, where gas is exchanged during breathing.
alveoli
7 of 18
Bodily system made up of the heart, blood vessels and blood that delivers nutrients and other essential materials to cells whilst removing waste products.
circulatory system
8 of 18
Microorganism that causes disease.
pathogen
9 of 18
Muscular organ that pumps blood around the body.
heart
10 of 18
A blood vessel with valves that transports blood to the heart.
vein
11 of 18
Blood vessels that carry blood away from the heart.
arteries
12 of 18
ery thin blood vessels which have walls that are only one cell thick.
capillaries
13 of 18
A protein which catalyses or speeds up a chemical reaction.
enzyme
14 of 18
An ultramicroscopic infectious non-cellular organism that can replicate inside the cells of living hosts, with negative consequences.
virus
15 of 18
The structure made of DNA that codes for all the characteristics of an organism.
chloroplast
16 of 18
A type of cell division which produces daughter cells identical to the parent.
mitosis
17 of 18
The central part of an atom. It contains protons and neutrons, and has most of the mass of the atom
nucleus
18 of 18
Other cards in this set
Card 2
Front
a type of respiration where oxygen is absent
Back
anaerobic
Card 3
Front
The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration.
Back
Card 4
Front
The movement of water molecules across a partially-permeable membrane from a region of low solute concentration to a region of high solute concentration.
Back
Card 5
Front
Tiny holes in the epidermis (skin) of a leaf - usually on the undersides of leaves. They control water loss and gas exchange by opening and closing.
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