Practice check: Choose the correct biology answer: what is the largest organ of the human body?

✅ C. Skin

a: Lung | b: Liver | c: Skin | d: Brain Read more

✅ B. Pinworm

Option A: Flatworm Option B: Pinworm Option C: Hook worm Option D: Tapeworm Correct Answer : Pinworm Read more

✅ A. O negative

a: O negative | b: B negative | c: A positive | d: AB positive Read more

✅ C. 20

Option A: 5 Option B: 10 Option C: 20 Option D: 40 Correct Answer : 20 Read more

✅ C. 8 bones

Option A: 4 bones Option B: 6 bones Option C: 8 bones Option D: 14 bones Correct Answer : 8 bones Read more

✅ C. Vitamin K

a: Vitamin B1 | b: Vitamin C | c: Vitamin K | d: Vitamin D Read more

✅ B. 50 to 70 billion cells

Option A: 20 to 35 billion cells Option B: 50 to 70 billion cells Option C: 10 to 20 billion cells Option D: 15 to 25 billion cells Correct Answer : 50 to 70 billion cells Read more

✅ C. Xylem

a: Cortex only | b: Epidermis | c: Xylem | d: Phloem Read more