Definitions O
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DefinitionsO
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OVARY
• Makes egg
• In human and plants
Ovulation
• Egg is released from ovary
• Day 14 of menstrual cycle
V
C RxOhms Law
• At constant temperature
• Voltage (v) = Current (I ) x Resistance(R)Volts =amps x ohms
WATCH out for the I ……”official” shorthand for current
If asked for resistance
R= V C
Ohm
• Unit of resistance (Ω)
Omnivore
• Animal that eats BOTH plants and animals
• E.g. humans
Organ
• Group of tissues that work together
• E.g. heart made of muscle, blood vessels and nerves.
Oxygen (O2)• Needed for
• respiration• Made in
•photosynthesis• Carried by
•red blood cells (haemoglobin)
• Enters blood at
• alveoli
• Leaves blood at
• all capillaries
• Highest concentration in pulmonary vein
• Made in lab using hydrogen peroxide and manganese dioxide
• Double covalent bond (2 pairs of electrons shared)
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• Ovary
• Ovulation
• Ohms Law
• Ohm
•Omnivore•Organ•Oxygen