Work your way from years to months to days to hours to minutes to seconds.
Answer:
I can't see the picture can you just text it to me so I can help you
a. The circulatory system in fish is one-directional while it is two-directional in humans.
b. P has a high concentration of carbon dioxide and low oxygen concentration whereas Q has high oxygen concentration and low carbon dioxide concentration.
<h3>What is the circulatory system?</h3>
The circulatory system is the system of organism and tissues which help to transport blood and other fluids through the body of a living organism.
The organs of the circulatory system include:
- The heart
- The blood vessels - veins, arteries, capillaries
a. In the given diagram sowing the circulatory system of man and the fish, it can be seen that the direction of blood flow in the fish is one way through the heart. However, in humans, the direction of blood flow is two-way through the heart.
b. The gas in P has a high concentration of carbon dioxide and low oxygen concentration. However, the gas flowing through Q has high oxygen concentration and low carbon dioxide concentration.
In conclusion, the circulatory system is important in the exchange of gases in the body.
Learn more about circulatory system at: brainly.com/question/3597250
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Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
"chlorine acts as a catalyst promoting the breakdown of ozone"
Explanation:
your welcome!
Plants<span> have two </span>transport<span> systems to move food, </span>water and minerals<span> through their roots, stems and leaves. These systems use continuous tubes called xylem and phloem, and together they are known as </span>vascular<span> bundles. Thank you for your time and I hope this has helped you. See you next time brainy:)</span>
