During inhalation, the chest is expanded by the _________ movement of the diaphragm.
Answer: downward
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Human Biology
- True or false? Human females create primary oocytes only during fetal development?
- True or false? Human males create new sperm everyday, from puberty to old age?
- ______ is a diploid cell that pauses during meiosis I and produce a secondary oocyte.
- What is the development of eggs within ovaries called?
- _______ undergo meiosis II and produces 4 haploid cells.
- _______ are diploid cells that undergo meiosis I that produce secondary spermatocytes.
- Where do sperm develop?
- What is the production of sperm called?
- What is the production of gametes called?
- What is the narrow neck at the bottom of the uterus that opens into the vagina called?
- After the first 9 weeks, what is a developing human called?
- For the first 9 weeks, what is a developing human called?
- What is the thick, blood-rich layer of tissue called in the uterus where the embryo implants and grows?
- The remains of the follicle grow to form a solid mass, the __________, which secretes hormones during the reproductive cycle.
- Where is the site of fertilization?
- During _______, an immature egg is ejected from a follicle.
- What hormone do follicles produce?
- What contains follicles that consist of a single egg surrounded by cells that nourish and protect it.
- What female structure are the sites of gamete production?
- What female structure becomes erect upon sexual arousal?
- What is the name of the structure that partially covers the vaginal opening?
- What are the inner folds bordering the openings of the vagina called?
- What is the name of the fatty ridges that protect the entire female genital region?
- What is the other name for the birth canal?
- What are the outer features of the female reproductive tract called?
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.