CAN SOMONE CHECK IF MY ANSWER IS CORRECT THANKYOU! ILL ALSO MARK U AS BRAINLIEST

Explanation:

The answer is B.

That's : Red blood cells are flat and indented so they can carry the greatest possible amount of oxygen.

The answer you chose is incorrect, because it is the white blood cells which destroys infection.

hey, what do you need . just post the question and i may be able to you : )

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.