Answer:
The two hormones, LH and FSH, are responsible for production of testosterone in boys. Testosterone is the male sex hormone produced in the testes. Blood levels of testosterone in boys rise during puberty, and this surge of hormone levels is responsible for development of the male features: facial hair, pubic hair and muscle development.
Explanation:
Answer:
Tobacco can affect the excretory system by causes colorectal cancer.
Explanation:
The exact cause of colorectal cancer is not clear, but certain risk factors, including diet, cigarette, smoking and heavy alcohol consumption and using tobacco are strongly linked to the disease.
Individuals with other genetic cancer syndromes or a family history of colorectal cancer may have a high chance of developing the disease.
Technology is the collection of techniques, skills, methods, and processes used in the productions of goods or in the accomplishment of objectives, such as a scientific investigation.
The Olympics originate from ancient Greece.
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Answer: d group
Explanation: In group therapies, several people who share a common problem all meet regularly with a therapist to help themselves and one another; the therapist acts as a facilitator.
The answer is D, embraces challenges.