 
<translate> Ajụjụ: Olee otú nkịta si echekwa okpomọkụ n'ahụ́ ha? Nhọrọ: - (A) mkpụrụ ndụ ọbara ha - (B) ajị anụ na abụba - (C) mbọ aka ha - (D) abụba - (E) Ịchụpụ - (F) ọsụsọ - (G) ajị anụ ha - (H) ntutu ha Ka anyị mee ihe n'ụzọ ziri ezi dị ka o kwere mee ma na-eche echiche site na nzọụkwụ site na nzọụkwụ. <eng> Question: How do dogs conserve body heat?
Options:
- (A) their blood cells
- (B) fur and fat
- (C) their nails
- (D) layers of fat
- (E) Exfoliation
- (F) sweating
- (G) their fur
- (H) their hair
Let's be accurate as possible and think step-by-step. 