Reaching the age of adolescence Worksheet-1
Fill in the blank:
The period of life, when the body, leading to reproductive maturity, is called ______.
Voice box is also called ______.
The protruding part of larynx in throat is called _____.
Sweat glands and sebaceous glands are located in _____.
Glands that release their secretions through ducts known as ____ glands.
______ gland release hormones directly into the bloodstream.
The testes begin to produce _____ during puberty.
Testes and _____are the reproductive organs.
The features help to distinguish the male from the female are called ___ characters.
______ are chemical substances secreted by endocrine gland.
The ______ hormone released by the testes
Ovaries produce the hormones progesterone and ______.
The production of sex hormones is under the control of another hormone secreted from an endocrine gland called ____ gland.
_____ cycle occurs once in about 28 to 30 days in female on attaining puberty.
The first menstrual flow begins at puberty and is termed _____.
Stoppage of menstruation is termed ______.
All human beings have ______ pairs of chromosomes in the nuclei of their cells.
Thyroid gland produces the hormones calcitonin and _____.
Pancreas produces the hormones glucagen ______.
_____ gland produces the hormone adrenalin.
Pituitary secretes ______ which is necessary for the normal growth of a person.
In a frog, metamorphosis is controlled by ______ hormone.
Thyroxine production requires the presence of _____ minerals in diet.
AIDS is caused by a dangerous virus, ______.