What structure leads from each ovary to the uterus?
Vagina
Uterine tube
Urethra
Vas deferens
The Correct Answer is B
A. Vagina: The vagina is the canal that leads from the cervix to the outside of the body, not the structure that connects the ovary to the uterus.
B. Uterine tube: The uterine tube, also known as the fallopian tube, connects the ovary to the uterus and is where fertilization typically occurs.
C. Urethra: The urethra is the tube that carries urine from the bladder to the outside of the body. It has no role in connecting the ovary to the uterus.
D. Vas deferens: The vas deferens is a structure in the male reproductive system that transports sperm from the testes. It does not exist in the female reproductive system.
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Related Questions
Correct Answer is D
Explanation
A. Penetrate the vagina: The acrosome does not play a role in penetrating the vagina. Its function is specifically related to the sperm's ability to penetrate the ovum, making this option incorrect.
B. Dissolve the stickiness of the semen: While enzymes do play a role in semen liquefaction, this is not the function of the acrosome. The acrosome is primarily involved in the process of fertilization, not semen modification.
C. Dissolve the mucosa of the uterus: The acrosome is not involved in dissolving the mucosa of the uterus. Its function is related to penetrating the barriers surrounding the ovum.
D. Penetrate barriers surrounding the ovum: The acrosome contains enzymes that break down the outer layers of the ovum (such as the zona pellucida), allowing the sperm to penetrate and fertilize the egg. This is the correct answer.
Correct Answer is A
Explanation
A. Small intestine; small intestine: Both amino acids and monosaccharides are absorbed in the small intestine, and fatty acids are also absorbed in the small intestine, where they are reassembled into triglycerides and incorporated into chylomicrons.
B. Small intestine; liver: Amino acids and monosaccharides are absorbed in the small intestine, but fatty acids are absorbed in the small intestine, not directly in the liver.
C. Stomach; small intestine: Amino acids and monosaccharides are absorbed in the small intestine, not the stomach, and fatty acids are absorbed in the small intestine, not the stomach.
D. Stomach; large intestine: Amino acids and monosaccharides are absorbed in the small intestine, and fatty acids are absorbed in the small intestine, not the stomach or large intestine.
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