1. Genetic and cellular biology: DNA nucleotide structure, base pairing, cell organelles function, amino acid calculation from gene base count, mitosis, blastocyst formation, embryonic stem cells. 2. Enzyme and pH experiments: protease action, digestive enzyme locations, pH influence on activity, denaturation, enzyme reliability variables, control conditions. 3. Specialized cells and reproduction: sperm cell structure, magnification, DNA content, mitochondria role in motility, fertilization time calculation, electron vs. light microscope resolution. 4. Cardiovascular and respiratory physiology: pulse rate response to walking/jogging/running, data tabulation, experimental methods, heart rate regulation, oxygen delivery. 5. Nervous system: dopamine function, synaptic transmission, neurotransmitter definition, Parkinson′s disease symptoms and prevalence increase, motor and relay neurone interaction. 6. Pregnancy and development: zygote to blastocyst, implantation, hCG role, placenta hormone function, testosterone influence on fetal sex differentiation, umbilical cord and labor hormone triggers.