瘦素（leptin）和饥饿素（ghrelin）如何对话调控食欲？
How do leptin and ghrelin talk to regulate appetite?
脂肪细胞分泌瘦素告知能量充足以抑制食欲，胃在空腹时分泌饥饿素刺激进食，二者构成能量平衡回路。
Adipose leptin signals energy sufficiency to suppress appetite, while gastric ghrelin stimulates eating when empty, forming an energy-balance loop.
难度 进阶 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
Urry 等,《Campbell Biology》第11版,Pearson,2017
L. A. Urry et al., Campbell Biology, 11th ed., Pearson, 2017
独立核验依据 · Independent verification: 核验依据 2 ISBN 978-0-13-409341-3 (11th ed., Pearson)
#瘦素 #饥饿素
甲状腺激素是怎样影响全身代谢速度的？
How do thyroid hormones influence whole-body metabolic rate?
它们提高基础代谢、促进产热和蛋白质合成；过多会让人消瘦心悸，过少则令人乏力怕冷。
They raise basal metabolism and heat production; excess causes weight loss and a fast heartbeat, deficiency fatigue and cold sensitivity.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
Urry 等,《Campbell Biology》第11版,Pearson,2017
L. A. Urry et al., Campbell Biology, 11th ed., Pearson, 2017
独立核验依据 · Independent verification: 核验依据 2 ISBN 978-0-13-409341-3 (11th ed., Pearson)
#甲状腺激素 #代谢
为什么运动后心情常常变好？
Why does mood often improve after exercise?
运动促使大脑释放内啡肽等快乐相关物质，并降低压力激素，让人感到轻松和愉悦。
Exercise prompts the brain to release endorphin-like feel-good molecules and lowers stress hormones, bringing relief and pleasure.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
Urry 等,《Campbell Biology》第11版,Pearson,2017
L. A. Urry et al., Campbell Biology, 11th ed., Pearson, 2017
独立核验依据 · Independent verification: 核验依据 2 ISBN 978-0-13-409341-3 (11th ed., Pearson)
#内啡肽 #运动