Mammoth Memory

Respiration

Plants:

a)  Cells respire to produce energy

b)  Absorb oxygen and release carbon dioxide slowly via tiny holes (stomata) in leaves (see magnified view of stomata, below)

Magnification of plants as they respire carbon dioxide and absorb oxygen

Animals

a)  Cells respire to produce energy

b)  Oxygen from air is inhaled in via lungs (below), and CO2 breathed out

Image of a humans respiratory system

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