What is the role of the epididymis in sperm maturation?
A. The epididymis produces sperm cells.
B. The epididymis stores and protects sperm cells until ejaculation.
C. The epididymis is responsible for the transport of sperm cells from the testes to the urethra.
D. The epididymis provides nourishment to sperm cells.
The epididymis is a coiled tube located at the back of each testicle where the sperm mature and are stored until ejaculation. Sperm are produced in the testes and then transported to the epididymis where they undergo maturation and become motile. The epididymis provides a protective environment for the sperm, allowing them to mature and become more resilient to external stressors. During ejaculation, the sperm are transported from the epididymis to the vas deferens and then to the urethra for ejaculation.
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Therefore, the Correct Answer is B.
More Questions on TEAS 7 Science
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Q #1: Which part of the respiratory system is responsible for regulate breathing rate and depth?
A. Bronchi
B. Alveoli
C. Diaphragm
D. Trachea
Answer Explanation
The diaphragm is responsible for regulang breathing rate and depth. It is a dome-shaped muscle located at the botom of the chest cavity that contracts and relaxes to help move air in and out of the lungs.
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Q #2: Which of the following is a characteristic of innate immunity?
A. It is highly specific to particular pathogens.
B. It is acquired over time through exposure to pathogens.
C. It provides immediate, non-specific protection.
D. It involves the production of antibodies.
Answer Explanation
Innate immunity is a fundamental aspect of the body's defense mechanism that operates from birth. It offers immediate protection against a wide range of pathogens, such as bacteria, viruses, and fungi, without requiring prior exposure to these invaders.
This defense system is non-specific, meaning it doesn't target a particular pathogen but rather provides a generalized response to various threats. Innate immunity includes physical barriers like the skin and mucous membranes, as well as cellular components such as phagocytes and natural killer cells. These elements work together to detect and neutralize potential threats swiftly, preventing infections from taking hold in the body.
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Q #3: What is the name of the hormone that regulates blood sugar levels in the human body?
A. Insulin
B. Glucagon
C. Estrogen
D. Testosterone
Answer Explanation
Insulin is a hormone produced by the pancreas that plays a crucial role in regulating the levels of glucose (sugar) in the blood. After a person eats a meal, the levels of glucose in the blood rise, which stimulates the pancreas to release insulin into the bloodstream. Insulin acts on various cells in the body, particularly those in the liver, muscles, and adipose tissue, to promote the uptake, use, and storage of glucose.
Insulin helps to lower the levels of glucose in the blood by increasing the uptake of glucose by cells, stimulating the liver and muscle cells to store glucose in the form of glycogen, and inhibiting the production and release of glucose by the liver. This process is known as glucose homeostasis, and it helps to keep the levels of glucose in the blood within a normal range.
Deficiencies or abnormalities in insulin production or function can lead to a range of metabolic disorders, including type 1 and type 2 diabetes. In type 1 diabetes, the body does not produce enough insulin, while in type 2 diabetes, the body becomes resistant to the effects of insulin, leading to elevated levels of glucose in the blood.
