LIFE SCIENCES Grade12 P1 2023 May/June SECTION A 1.2

1.2.1

1.2.2 The organelles found in large quantities in the neck region of a
sperm cell

1.2.3 The disease characterised by the degeneration of brain tissue,
leading to memory loss

1.2.4 The layer in the eye that is richly supplied with blood vessels

1.2.5 The type of development in birds in which the young is born fully
developed and able to move and feed itself

1.2.6 Groups of cells in the pancreas that secrete insulin and glucagon

1.2.7 The structure in the sperm that contains enzymes to dissolve the
outer layer of the ovum

1.2.8 A blood vessel that transports carbon dioxide from the foetus to the
placenta