The body as a system.

Unit 1 · Building blocks

Tissues

Epithelial, connective, muscle, nervous. Histology basics.

1 demo lesson · 8 cards Unit 2 · Frame

Skeletal

Bone structure, joints, axial vs appendicular skeleton.

1 demo lesson · 8 cards Unit 3 · Movement

Muscular

Skeletal muscle, contraction, muscle types, major groups.

1 demo lesson · 8 cards Unit 4 · Signals

Nervous

Neurons, action potentials, CNS/PNS, reflexes, senses.

1 demo lesson · 8 cards Unit 5 · Hormones

Endocrine

Glands, hormones, feedback loops, glucose regulation.

1 demo lesson · 8 cards Unit 6 · Pump

Cardiovascular

Heart, blood vessels, blood, cardiac cycle, pressure.

1 demo lesson · 8 cards Unit 7 · Gas exchange

Respiratory

Lungs, ventilation, gas exchange, O₂/CO₂ transport.

1 demo lesson · 8 cards Unit 8 · Processing

Digestive

GI tract, enzymes, absorption, metabolism, liver.

1 demo lesson · 8 cards Unit 9 · Continuity

Reproductive

Male/female anatomy, gametogenesis, fertilization, pregnancy.

1 demo lesson · 8 cards