Вопрос
1. Chemoreceptors The influence of the gas composition , pH blood and cerebrospinal fluid of respiratory phases and ventilation. 2. Where are the nerve centers that regulate heart rate located? What are their functions? 3. Factors affect the metabolic rate of an active person.
Решения
4
(267 Голоса)
Евдокия
мастер · Репетитор 5 лет
Ответ
1. Chemoreceptors are specialized sensory receptors that detect changes in the chemical composition of the blood, such as the levels of oxygen, carbon dioxide, and pH. They play a crucial role in regulating respiratory phases and ventilation by sending signals to the brain to adjust breathing patterns accordingly.2. The nerve centers that regulate heart rate are located in the medulla oblongata, a part of the brainstem. These nerve centers, known as the cardiac centers, receive input from various sources, including the aut to the heart to adjust the rate and strength of contractions. The cardiac centers are responsible for maintaining a stable heart rate and ensuring adequate blood flow to the body's tissues.3. Several factors can affect the metabolic rate of an active person. These factors include:- Age: Metabolic rate tends to decrease with age.- Body composition: Individuals with more muscle mass have a higher metabolic rate.- Physical activity: Regular exercise or physical activity can increase metabolic rate.- Hormonal factors: Hormones such as thyroid hormones play a significant role in regulating metabolic rate.- Diet and nutrition: Consuming a balanced diet with adequate protein, healthy fats, and carbohydrates can support a healthy metabolic rate.- Environmental factors: Factors such as temperature, altitude, and exposure to certain chemicals or toxins can also influence metabolic rate.