What is a contagious disease spread by sexual contact caused by bacteria, protozoans, or fungi?
Answer: sexual transmitted disease (STD)
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Human Biology
- What are the three stages of labor?
- Which hormone plays a key role in inducing labor?
- What are a series of strong, rhythmic contractions of the uterus that brings the birth of a child called?
- What finger-like part of the placenta absorbs nutrients, oxygen, and antibodies from the mother's blood and passes them to the embryo.
- What is the name of the organ that provides nourishment and oxygen to the embryo and helps dispose metabolic waste?
- What is the outer embryonic cell layer of a blastocyst called that starts to form part of the placenta?
- A blastocyst contains an inner cell mass made of _________, which have the potential to give rise to every type of cell in the body.
- Gestation is measured as 40 weeks from the ______ of the last menstrual cycle in female humans.
- What is the carrying of a developing young within the female reproductive tract called?
- What is the innermost layer that becomes the lining of the digestive tract during gastrulation called?
- What is the middle layer that forms the heart, kidneys and muscles during gastrulation called?
- What is the outer layer that forms the nervous system and skin during gastrulation called?
- What occurs about 9 days after conception when the embryo undergoes an organized migration of cells (which result in an ectoderm, mesoderm, and endoderm)?
- What forms 6-7 days after fertilization and consists of a fluid-filled ball with around 100 cells and an inner cell mass?
- Development begins with ___________, a series of rapid cell divisions that results in a multicellular ball, but causes no major cellular growth.
- Embryonic development begins with _____________, the union of sperm and egg to form a zygote.
- What type of STD cannot be cured, only controlled with medication?
- What is the most common bacterial STD?
- Synthetic ______ and ________ tricks brain into thinking you're pregnant and prevents ovulation.
- The RU-486 hormonal birth control pill induces ______.
- This hormonal birth control method is 75% effective at preventing pregnancy when taken within three days of intercourse.
- What type of barrier method contraception involves a sheath usually made of latex that fits over the penis or within the vagina?
- What type of barrier method contraception involves a dome shaped rubber cap that covers the cervix?
- This method of contraception prevents a sperm from meeting an egg.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.