#6.3 Human Physiology - Immune defense
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Description
In this sub-unit we are going to explore contents of:
The skin and mucous membranes form a primary defence against pathogens that cause infectious disease
Cuts in the skin are sealed by blood clotting
Clotting factors are released from platelets
The cascade results in the rapid conversion of fibrinogen to fibrin by thrombin
More Episodes
In this sub-unit of IB biology, we are going to explain the shortest part of unit 1, we are going to understand the concepts of:
Cells can only be formed by division of pre-existing cells
The first cells must have arisen from non-living material
The origin of eukaryotic cells can be...
Published 11/12/23
In today's podcast we are going to explore and understand the concepts of:
Particles move across membranes by simple diffusion, facilitated diffusion, osmosis and active transport
The fluidity of membranes allows materials to be taken into cells by endocytosis or released by exocytosis
...
Published 11/02/23
Published 11/02/23
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