Question

Q2: True or False.
a. Capillaries have valves to keep blood flowing in right direction. ( )

b. White blood cells are
colorless because they contain chemical called hemoglobin()

c. Platelets are tiny bits of larger cells in bone marrow. ( )​

Answer 1

Answer:

a. true

b. false

c. false

Answer 2

Answer:

A. False

B. True

C.Dont know