Homeostasis and Selected Body Systems Page 3-83 UNIT 3 COOPERATIVE HOMEwORK ASSI

Question

Homeostasis and Selected Body Systems Page 3-83 UNIT 3 COOPERATIVE HOMEwORK ASSIGNMENT #2 (10 points) Questions are worth 1/2 point unless marked otherwise Names of Group Members (list names in ALPHABETICAL ORDER) (recall) Fill-in the blanks. 1. During the first half of the menstrual cycle, the thickness of the 2. If pregnancy doesn't occur, the size of the corpus luteum will in the uterus increases. 3. If the testes didn't descend into the scrotum, the rate of would decrease. cotains chromoscomes, bu chromoxomen A human skin cell chromosomes. l containschromosomes, but sperm and egg cells contain Sperm cells contain no energy reserves,so they absorb seminal fluid to provide the mitochondria with fuel to complete 5. from the is the type of cell division that produces B and T cells. 6. 7. 8. Example of a defensive protein formed by the specific immune response: When killer T cells are activated, the number of antibodies released to the bloodstream will 9. Only birth control method that provides protection from sexually transmitted diseases (don't say abstinence). Method of emergency contraception that prevents pregnancy if taken soon after having unprotected sex. 10. make them true. (comprehension) Questions 11-12: Rewrite these false statements to The normal path of a sperm cell from the vagina to the location where fertilization normally occurs is: vagina ? fallopian tube? cervix? uterus ? 11. ovary.

Explanation / Answer

1. Endometrium

2. The size of the corpus luteum will shrink

3. Spermatogenesis

4. Human skin - 46, Spem and egg - 23.

5. Absorb nutrients (primarily fructose), to complete fertilization

6. Hematopoesis

7. Antibodies

8. Will decrease

9. Condom

10. Oral contraceptive

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