veins, thin muscle, arteries, thick muscle, vena cava [what side of the heart], right side of the heart, aorta [what side of the heart], left side of the heart, aerobic resperation, uses oxygen, unit of force, newtons, force=, mass x accelaration, what does friction do, slows down motion, accelerate=, change in speed, one affect of smoking, lungs weaken.

Papan peringkat

Lihat pemain top

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

Papan peringkat

Lihat pemain top
)
Pulihkan simpan otomatis: ?