AQA Biology GCSE - Homeostasis and Response

These flashcards cover essential concepts from the Homeostasis and Response topics in AQA Biology GCSE, including definitions and processes related to human biology and physiology.

Homeostasis is the maintenance of a __ internal environment.

constant

In the human body, homeostasis controls blood __ concentration, body temperature, and water levels.

glucose

All control systems have receptors, coordination centres, and __.

effectors

Reflexes are important as they prevent the individual from getting __.

hurt

The pathway for reflexes is called a __ arc.

reflex

The brain is part of the __ nervous system along with the spinal cord.

central

Pupils getting smaller in response to bright light is an example of an __ response.

automatic

The __ is the part of the brain that controls consciousness and intelligence.

cerebral cortex

The __ gland secretes insulin which controls blood glucose levels.

pancreas

is the process of water moving from high concentration to low concentration.

Osmosis

ADH is released from the __ gland to control water loss in urine.

pituitary

Insulin and glucagon work in a __ feedback loop to regulate blood glucose levels.

negative

The __ gland secretes adrenaline, which is involved in the 'fight or flight' response.

adrenal

Ladies, the hormone that stimulates the maturation of eggs in the ovaries is __.

FSH (Follicle Stimulating Hormone)

When body temperature rises, sweat glands produce __ to help cool the body.

sweat

The __ is the outer white layer of the eye that protects it.

sclera