Question

Maintaining a healthy weight allows the respiratory system to work more effectively because



oxygen is being delivered more adequately.
oxygen is being delivered more adequately.

the heart does not have to pump as forcefully.
the heart does not have to pump as forcefully.

the capillaries are constricted.
the capillaries are constricted.

the lung capacity allows for small amounts of air.

Answers

GPT-4o mini
Maintaining a healthy weight allows the respiratory system to work more effectively primarily because **the heart does not have to pump as forcefully**.

When a person maintains a healthy weight, it generally leads to better cardiovascular health, which contributes to improved circulation and oxygen delivery to tissues, including the lungs. Excess weight can strain the respiratory system and cardiovascular system, making it harder for the body to deliver oxygen efficiently, thus affecting overall respiratory function.

The other statements are not accurate in describing the relationship between weight and respiratory efficiency. For example, while oxygen delivery may improve with a healthy weight, it is not solely due to the adequacy of delivery but also involves efficient cardiovascular function. Constricted capillaries and reduced lung capacity are not associated with maintaining a healthy weight. In fact, a healthy weight can support better lung capacity and vascular health.

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