Identify the function of the labeled structures.
connects arteries and veins✔ brings blood back to the heartcarries blood away from the heartpushes blood into the arteries
connects arteries and veinsbrings blood back to the heart✔ carries blood away from the heartpushes blood into the arteries
✔ connects arteries and veinsbrings blood back to the heartcarries blood away from the heartpushes blood into the arteries
Identify the function of the labeled structures.
Which actions are functions of the circulatory system? Select four options.delivers nutrients to cellsbrings carbon dioxide to cells for useprotects the body from pathogensremoves waste materials from cellshelps cuts and wounds to heal
The flu is an infection caused by a pathogen. When a pathogen enters the body, which blood component helps us to attack the pathogen?
Which component of blood transports oxygen?
What is the pathway of air into the body?
Which structure is directly involved in gas exchange?
Identify the two gases exchanged between the body and the air during respiration. Explain how this gas exchange happens.
The two gases exchanged during respiration are oxygen and carbon dioxide. This gas exchange occurs in the alveoli of the lungs. Oxygen from the inhaled air is absorbed into the bloodstream, while carbon dioxide from the blood is released into the alveoli to be exhaled from the body.
How do the respiratory and circulatory systems work together to make gas exchange possible?
The respiratory and circulatory systems work together to deliver oxygen to cells and remove carbon dioxide. The respiratory system takes in oxygen-rich air into the alveoli of the lungs. The circulatory system then transports this oxygen from the lungs to the body's cells through the blood. Simultaneously, the circulatory system collects carbon dioxide waste from the cells and carries it back to the lungs, where the respiratory system exhales it from the body.
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