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:
Producers like plants get their energy from the sun. Consumers get energy from eating producers or other consumers.
Explanation:
<span>Phospholipids serve a variety of purposes in the human body. Phospholipids are the building blocks of larger lipids and triglycerides. These molecules are vital for keeping the brain healthy and nourished, preventing inflammation of tissues and allow the building of a variety of healthy fat molecules.</span>
Answer:
a1* buffer
Explanation:
To buffer means “to cushion or protect.” Buffers are weak acids or bases that react with stronger acids and bases to prevent sudden changes in pH in the fluids of living organisms.
So, the correct answer is buffer! Hope this helps :)