Yₒᵤᵣ ₐₙₛWₑᵣ ᵢₛ .:
_____________________________
Back bone (or vertebral column) is the character of all the species included in .:
Sub-phylum VERTEBRATA
_______of______________
Division CRANIATA
_______of____________
Kingdom ANIMALIA
The answer Fam is <span>10's of thousands</span>
Answer:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
hope it will help you
The average is 3.4 minutes