Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.6 The Human Nervous System The Human Nervous System: Structure The human nervous system consists of: Central nervous system?(CNS) – the?brain?and?spinal c...
Tensile Stress & Strain Opposite forces can deform an object If the forces?stretch?the object, then they are tensile forces Tensile forces lead to the two properties of materials known a...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.5 Co-ordination Systems in Humans The Human Nervous System & Endocrine System There are?two different control systems?in humans that work together to ...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.4 The Role of Auxin in Phototropism The Role of Auxin in Phototropism Plants produce?plant growth regulators?(similar to hormones in animals) called?auxin...
Hooke's Law When a force?F?is added to the bottom of a vertical metal wire of length?L, the wire?stretches A material obeys Hooke’s Law if: The extension of the material is directly proporti...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.3 Response to Stimuli: Plants Response to Stimuli: Plants Plants need to be able to grow in response to certain?stimuli For example, plants need to be abl...
What are logarithms? A logarithm is the inverse of an exponent This is in the formula booklet Your GDC will be able to use this function to solve equations involving exponents Try to get used to ‘r...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.2 Control of Homeostasis Co-ordinating a Response Homeostasis?(maintaining controlled conditions within the body) is under?involuntary (automatic) control...
經(jīng)歷了20年和21年的在線機(jī)考，AP考試終于在今年恢復(fù)了正常。前日，2022年AP考試終于出分，同時(shí)CB也已經(jīng)公布了所有AP科目的五分率。 最熱門最常考的26門AP科目中，有20門的五分率呈增長(zhǎng)趨勢(shì)，占比高達(dá)77%！同學(xué)們...
