True
Hope this helps =)
Please tell me if I'm wrong
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:
D) Dark color evolved only once in rock pocket mice Pearsorn
2.08 cm to millimeter would be 20.8mm, just move the decimal over to the right once.