Question

read the sentences below, filling in the blanks with items from this list. each item will be used once.
hormones
vagina
uterus
gastrulation
epididymis
luteinizing
testosterone
fertility
progesterone
cleavage
the primary male hormone responsible for the development of male sexual characteristics and sperm production is ______
sperm cells mature and gain motility in the coiled tube called the ______
the passageway for the birth of an offspring is the ______
the hormone that controls ovulation and is produced by the pituitary gland is ______ hormone.
the female reproductive organ where a fertilized egg implants and develops into a fetus during pregnancy is the ______
hormones that regulate the menstrual cycle and facilitate pregnancy in females are estrogen and ______
the process that creates a bunch of cells forming a ball called a blastula after fertilization is called ______
testosterone in males and estrogen/progesterone in females are examples of sex ______
the formation of germ layers—ectoderm, endoderm, and mesoderm—takes place during ______
factors affecting human reproduction, such as hormonal imbalances and lifestyle choices, can lead to ______ issues in men and women.

Explanation:

Each blank is filled using the provided terms, matching reproductive biology definitions:

1. Testosterone is the primary male sex hormone for male traits and sperm.
2. Epididymis is the coiled tube where sperm mature.
3. Vagina is the birth passageway.
4. Luteinizing hormone from the pituitary controls ovulation.
5. Uterus is where a fertilized egg implants and develops.
6. Progesterone pairs with estrogen to regulate the menstrual cycle.
7. Cleavage is the post-fertilization cell division forming a blastula.
8. Testosterone, estrogen, and progesterone are sex hormones.
9. Gastrulation is the process forming the three germ layers.
10. Reproductive factors can cause fertility issues.

Answer:

1. The primary male hormone responsible for the development of male sexual characteristics and sperm production is testosterone
2. Sperm cells mature and gain motility in the coiled tube called the epididymis
3. The passageway for the birth of an offspring is the vagina
4. The hormone that controls ovulation and is produced by the pituitary gland is luteinizing hormone
5. The female reproductive organ where a fertilized egg implants and develops into a fetus during pregnancy is the uterus
6. Hormones that regulate the menstrual cycle and facilitate pregnancy in females are estrogen and progesterone
7. The process that creates a bunch of cells forming a ball called a blastula after fertilization is called cleavage
8. Testosterone in males and estrogen/progesterone in females are examples of sex hormones
9. The formation of germ layers—ectoderm, endoderm, and mesoderm—takes place during gastrulation
10. Factors affecting human reproduction, such as hormonal imbalances and lifestyle choices, can lead to fertility issues in men and women