Answer:
(B)iology
Explanation:
Biology is a branch of science that studies about the living organisms.
Boys shoulders broaden and voice deepen, Girls start having menstrual periods and develop breast. <span />
Answer:
A trait can take on almost anything! Like your hair, your eyes, your nose, and... sometimes even the way you speak!
Explanation:
As our all basic needs is fulfilled by aerobic respiration but when it comes to vigorous exercise when there is a shortage of oxygen , muscles starts using anaerobic respiration to full fill the need !
another example of anaerobic respiration in our body is in RBC ! Here there is no mitochondria so it has to do anaerobic respiration !
