Key terms & definitions

A long-lived white blood cell that enables a rapid, specific immune response when the same pathogen enters the body again.

A white blood cell that remains after an initial immune response and enables a rapid response when the same pathogen enters again.

The process through which newly formed memories become more stable and established in long-term memory.

The CPU register that temporarily holds data or an instruction being transferred to or from memory.

A difference between a remembered account and what actually happened, such as an added, altered or omitted detail.

A long-lived lymphocyte formed after exposure to an antigen; it enables a rapid response if the same antigen is encountered again.

A long-lived lymphocyte formed during an immune response that enables a faster response to later exposure to the same antigen.

The allocation of main memory (RAM) to programs and data by the operating system.

Heavily armed and armoured soldiers, including knights, who could fight mounted or on foot.

The curved surface of a liquid in a container, used when reading its volume.

The curved surface of a liquid. For a liquid with a concave surface, read the bottom of the curve.

The curved surface of a liquid in a narrow container; for water, the scale is read at the bottom of the curve.

The curved surface of a liquid in a container. For water in a measuring cylinder, read the bottom of this curve at eye level.

The curved surface of a liquid in a container, used when reading its volume.

A seven-branched lampstand associated with the ancient Jewish Temple and used as a symbol of Jewish faith and God’s light.

The repeating sequence in which an egg matures and may be released while the uterus lining breaks down, rebuilds and is maintained.

The repeating sequence in which an egg matures and is released, and the uterus lining builds up, is maintained and breaks down if pregnancy does not occur.

The loss of the uterus lining from the body at the beginning of a cycle when pregnancy has not occurred.

The shedding of the uterus lining at the start of a menstrual cycle, commonly called a period.

Mental activities such as thoughts, intentions, likes and dislikes, which shape responses and actions.

A state of wellbeing in which a person can realise their potential, cope with everyday stresses, work productively and contribute to their community.

A person’s psychological and emotional wellbeing, including how they feel about themselves and their ability to cope and function in everyday life.

A model that places mental health along a spectrum from well-being to significant difficulties or illness, rather than dividing everyone into two fixed categories.

A condition affecting a person's psychological wellbeing, which may affect their thinking, emotions or behaviour.

A psychological difficulty that significantly affects a person's thoughts, emotions or behaviour and can interfere with everyday life.

Using mental techniques to control emotions, manage stress and improve readiness for participation or performance.

Imagining the successful execution of a skill before physically performing it, including how the movement should feel.

A person's psychological and emotional state, including how they think and feel.

An economic approach that sought to strengthen a country by accumulating gold and silver, exporting more than it imported, and controlling trade for its own benefit.

Soldiers hired to fight for payment rather than because they were citizens of the state employing them.