Answer:
ai) P= Red blood cell Q= Alveoli
ii)1. It gives the lungs a large surface area to volume ratio.
2. It is moist and thin.
b) P has a disc or biconcave shape which allows the O2 to bind to it with the help of a protein called haemoglobin for it to be transferred to various parts of the body.
c) Carbon monoxide will bind to the haemoglobin to form carboxyhaemoglobin causing oxygen disruption
Answer:
Based on the cladogram, which two species share the most recent common ancestor?
lizard and owl
Explanation:
Answer:
a puppys coat is like soft
and the fathers coat is hard and rough
Explanation:
He should use a blue litmus paper to test if it’s acidic because if the solution is acidic then the blue litmus will turn red
Answer:
prob media exposure or peer acceptance
Explanation:
