Hormones of the Heart, Kidney and Gut, Receptors and Integration

Name: Hormones of the Heart, Kidney and Gut, Receptors and Integration
Author: StemPy Lab

The hormones made outside the main glands, by the heart, the kidney and the gut. How a hormone finds its cell, and why a peptide hormone and a steroid hormone act in different ways. Then how feedback loops and the two control systems work together to keep the body steady.

3 lessons, about 1 h 25 min3 simulations10 problems3 practice questionsPython in every lesson

Created by StemPy Lab

Course outline (3 lessons)

Lesson 1about 25 min
Hormones of the heart, kidney and gut
The wall of the heart makes ANF, which lowers the blood pressure. The kidney makes erythropoietin, which raises the number of red cells. The stomach and the small intestine make gastrin, secretin, CCK and GIP, which control the digestive juices. Many tissues also make growth factors.
1 simulation1 practice question1 Python program3 problems
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Lesson 2about 30 min
How hormones act on cells
A hormone acts only on cells that carry its receptor. Peptide hormones and the amine adrenaline bind to receptors in the cell membrane and work through second messengers such as cyclic AMP. Steroid hormones and the thyroid hormones pass into the cell, bind to receptors inside, and change the genes.
1 simulation1 practice question1 Python program4 problems1 Python lab
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Lesson 3about 30 min
Feedback and the integration of the systems
The nervous system and the endocrine system together coordinate the body. The hypothalamus joins them. Negative feedback keeps a level steady around a set point, and positive feedback drives a process to its end, as in childbirth. Hormones often work in opposite pairs, such as insulin and glucagon.
1 simulation1 practice question1 Python program3 problems1 Python lab1 question set1 note
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Hormones of the Heart, Kidney and Gut, Receptors and Integration

Course outline (3 lessons)