L2 Human Social Development Human Brain Development 1 hlayiso.com

HUMAN AND SOCIAL Page 26 -31 DEVELOPMENT Human brain development LEVEL 2 Downloaded from hlayiso.com

What make humans unique? ◦ We: • Have highly developed brain • Are able to reason • Use language and express emotions • Create social structures • Appreciate and create beauty • Pass our skills from one generation to the next through education • Walk upright • Humans are made up of cells that have membranes and a nucleus (eukaryotic species) a) Each human cell have two sets of 23 chromosomes (46 chromosomes) b) 22 pairs (44) are autosomes and one pair(2) is known as sex chromosomes. Downloaded from hlayiso.com

The outside of the brain consist out of 3 The parts: brain(cerebrum) • CEREBRUM (Latin word for and it’s brain) functions: • CEREBELLUM (Little brain) • BRAIN STEM (central core that gradually becomes the spinal cord) Downloaded from hlayiso.com

The inside of the brain is divided into 4 parts (lobes): Frontal lobe: (at the front of your head/brain) • Social behavior • Motor movement • Insight and foresight This Photo by Unknown Author is licensed under CC BY-SA-NC Parietal lobe: (at the top of your head/brain) • Supports tehe body – makes movement possible • Receive messages from the senses Occipital lobe(at the back of your head/brain) • Sight • Recognise colour Temporal lobe: (at the sides of your head/brain. Near our ears) Helps to recognize faces, rythms, patters, speech, language, music Downloaded from hlayiso.com

Important definitions: ØGene ØNucleus ØEukaryotic ØChromosme ØAutosome ØCentral nervous system (CNS) ØThe 4 different lobes ØCentral nervous system ØSynapse ØNeurotransmitter Downloaded from hlayiso.com