Question
What is the function of the red blood
cells?Solution
Red blood cells (RBCs) contain hemoglobin, a protein that binds to oxygen in the lungs and transports it to tissues throughout the body. Clotting is done by platelets, bacteria are destroyed by white blood cells, and antibodies are produced by specific white blood cells (B-lymphocytes).
24 × ?2 – 11 × 4 = 1900
- What will come in place of (?), in the given expression.
√2500 + 12² – 144 ÷ 6 = ? (744 ÷ 6) - (120/5) + 5.5% of 800 = ?2
2048 × 1824 ÷ 76 = (? - 212) × 64
Find the value of (x + y)² - (x - y)², where x = 15 and y = 7.
What are the values of k, if the roots of the equation x² + 2(k - 4)x + 2k = 0 are equal?
√676 + (0.75 × 80) + (72 ÷ 3) = ? - 82
38 – 3 2 + 5 2 + 6 2 = ? × 6Â