Bio Paper 2

Doesnt have everything - Still needs stuff added to it

Eye - Dim Light

Circular Muscles relax, Radial Muscles contract

Eye - Bright Light

Circular Muscles contract, Radial Muscles relax

Eye - Far object

Ciliary Muscles relax, Suspensory Ligaments tighten

Eye - Near Object

Ciliary Muscles contract, Suspensory Ligaments loosen

Brain - Cerebral Cortex

Personality, speech, decision making, problem solving, memory

Brain - Cerebellum

Balance, movement, co-ordination

Brain - Medulla

Heart and Breathing rate, signals specific glands to release hormones

Eye - Rods vs Cones

Rods detect light intensity, Cones detect colour

ADH - Where produced and role

Produced in Pituitary Gland. Controls blood water content levels.

Adrenaline - Where produced and role

Produced in Adrenal Glands. Prepares body for Fight or Flight

Insulin - Where produced and role

Produced in Pancreas. Reduces blood glucose levels by converting glucose to glycogen for storage, also faciliatates uptake of glucose by cells

Kidneys - Too much water in blood

Less ADH released by Pituitary Gland

Kidneys - Too little water in blood

More ADH released by Pituitary Gland