What are secondary sexual characters ?
2) Name the different types of glands in our
body .
3) Which is the master gland of our body ?
4) What are these terms- Menopause and
Menarche related to?
Answers
Answer:
1)Secondary sex characteristics are features that Secondary sex characteristics include, for example, the manes of male lions, the bright facial and rump coloration of male mandrills, and horns in many goats and antelopes. These characteristics are believed to be produced by a positive feedback loop known as the Fisherian runaway produced by the secondary characteristic in one sex and the desire for that characteristic in the other sex. Male birds and fish of many species have brighter coloration or other external ornaments. Differences in size between sexes are also considered secondary sexual characteristics.
In humans, visible secondary sex characteristics include pubic hair, enlarged breasts and widened hips of females, and facial hair and Adam's apples on males.appear during puberty in humans, and at sexual maturity in other animals. These characteristics are particularly evident in the sexually dimorphic phenotypic traits that distinguish the sexes of a species, but unlike the sex organs (primary sex characteristics), are not directly part of the reproductive system. Secondary sex characteristics are believed to be the product of sexual selection for traits which display fitness, giving an organism an advantage over its rivals in courtship and in aggressive interactions.
2) Adipose tissue.
Adrenal glands.
Hypothalamus.
Kidneys.
Ovaries.
Pancreas.
Parathyroid glands.
Pineal gland.
3) The pituitary gland
The pituitary gland is sometimes called the "master" gland of the endocrine system because it controls the functions of many of the other endocrine glands. The pituitary gland is no larger than a pea, and is located at the base of the brain.
4) Two of the biggest physical milestones in a woman's life are menarche (pronounced “MEN-ar-kee”), the first menstrual period in girls, and menopause, when menstruation stops and female reproductive hormones slow. These milestones are universal and mark the beginning and end of a woman's reproductive cycle.
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