Nervous Coordination Sense Organs Ecology of Populations Balance in Nature Reproduction in Humans Fertilisation and Seed Development Fruits Reproductive Behaviours Biology of Heredity (Genetics) Variation and Evolution Evolution Adaptation for Survival Regulation of the Internal Environment
Maaari Mo Ring Magustuhan
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CBSE/NCERT Biology for Class 9 (English)
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Mga Komento
10 Mga Komento
Learn about the plant hormones and their functions.
Auxins are the most researched class of plant hormones; learn about their roles.
This lesson explores the general functions of plant hormones and lists the common groups.
A summary of the functions of hormones in humans.
Testosterone is the main male sex hormones; learn about its function and disorders.
Explore oestrogen and progesterone as female sex hormones.
Hormones produced by the adrenal cortex and their functions are detailed.
The medulla of the adrenal gland produces adrenaline and noradrenaline that act in the sympathetic response.
This lesson explores the endocrine pancreas; how insulin, glucagon and blood glucose levels interact.
Learn about the thyroid and parathyroid glands, the hormones they produce and their functions.