1 Each milliliter of blood contains 5 million red blood cells (RBCs). On average, an infant has about 0.6 liters of blood. About how many RBCs are in an infant's body?A) 30 billion B) 300 billion C) 3 billion D) 3.5 billion 2 Each milliliter of blood contains about 7,500 White blood cells (WBCs). On average an infant has 0.6 liters of blood. About how many WBCs are in an infant's body?A) 28000 B) 220000 C) 450000 D) 4000 3 Each milliliter of blood contains about 250,000 platelets. On average an infant has 0.6 liters of blood. About how many platelets are in an infant's body?A) 12 million B) 17 million C) 16 million D) 15 million 4 Each milliliter of blood contains 5 million red blood cells (RBCs). On average, an premature baby has about 0.3 liters of blood. About how many RBCs are in a premature baby's body?A) 5 million B) 0.9 million C) 150 million D) 110 million 5 Each milliliter of blood contains about 7,500 White blood cells (WBCs). On average an premature baby has 0.3 liters of blood. About how many WBCs are in an premature baby's body?A) 25000 B) 225000 C) 30000 D) 275000 6 Each milliliter of blood contains about 250,000 platelets. On average a premature baby has 0.3 liters of blood. About how many platelets are in an premature baby's body?A) 5.2 million B) 4.5 million C) 4.7 million D) 7.5 million 7 Each milliliter of blood contains 5 million red blood cells (RBCs). On average, an adult woman has about 7.2 liters of blood. About how many RBCs are in an adult woman's body?A) 500 million B) 320 million C) 480 million D) 360 million 8 Each milliliter of blood contains about 7500 White blood cells (WBCs). On average an adult woman has 7.2 liters of blood. About how many WBCs are in an adult woman's body?A) 250000 B) 50000 C) 540000 D) 300000 9 Each milliliter of blood contains about 7,500 White blood cells (WBCs). On average an adult man has 12 liters of blood. About how many WBCs are in an adult man's body?A) 900000 B) 920000 C) 100000 D) 88000 10 Each milliliter of blood contains about 250,000 platelets. On average an adult man has 12 liters of blood. About how many platelets are in an adult man's body?A) 40 million B) 30 million C) 35 million D) 28 million