Explanation:
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.
Answer:
The anatomy of the eye
The eye has many parts that must work together to produce clear vision: The sclera, or white part of the eye, protects the eyeball. The pupil, or black dot at the centre of the eye, is an opening through which light can enter the eye. The iris, or coloured part of the eye, surrounds the pupil
Explanation:
did some research. hope this helps :)
Answer:
It won't let me type it so look at the picture
Explanation:
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The central nervous system.
Plants have meristem cells that contain the DNA that decides how they take shape and function.
