- •The frequency decreases by increasing Periodic time.
- •9 The intensity of sound is measured by unit ……… .
- •Calculate frequency of savart wheel rotates by 300 cycle/minute when it touches a gear of 120 teeths.
- •2) Calculate the number of cycles in savart wheel produces 500 cycle/sec. If the number of teeths is 25 teethes.
- •1) Calculate the depth of sea when waves are sent with velocity 1490 m/sec and time of reflection is 0.1 sec.
- •1 ) Label the figure.
1 ) Label the figure.
2-) Write function of: 2 – 4 – 5
Work sheet eight reproductions in human
Question One: Complete the following:
1
-
The function of tests is the production of ……… and ………
hormone.
2- The function of ovary is the production of ……… and the two hormones ……… and ……… .
3- The sexual glands in male reproductive system are ………, ……… and ………
4- The ovary exist ……… abdominal cavity, while the two tests exist in ……… outside abdominal.
5- The female reproductive system contain ……… in size of peeled almond.
6- Secondary sex characters in male are due to ……… hormone.
7- From the secondary sex characters in female is ……… which happen each 28 days.
8- The menopause age in female at age ……… years.
9- The ovum moves inside ……… towards the uterus.
10- The sperm consists of ………, ……… and ……… .
11- The male cell contains ……… chromosome and the female cell contains ……… chromosome.
12- When a sperm combines with ovum, ……… is formed.
13- The growth of embryo takes ……… stages.
14- The ……… has big size due to storing food.
15- From venereal diseases that infect without sexual connection are ……… and ……… .
16- The incubation period of gonorrhea is ……… weeks.
17- The urine has ……… effect, while seminal liquid has ……… effect.
Question Two: Write the scientific term:
1- Two oval glands exist outside abdominal cavity. …………………………
2- Fluid secreted by sexual glands. …………………………
3- Female organ in size of peeled almond. ………………………………
4- Female organ where the embryo grows. ……………………………..
5- Funnel shaped tube lined with cilia. …..…………………………
6- Male hormone secreted by tests ………………………………
7- One of the puberty features in female happens each 28 days. ……………
8- The time between infection and appearance of symptoms. …………………………………………………………………………………………………………………………………
9- The cell formed due to combination of sperm and ovum. ……………
10- The stage of embryo in which bones and blood circle is formed. ………………………………………
Question Three: Give reasons for:
1- The two tests exist outside the abdominal cavity.
…………………………………………………………………………………………………………………………………
2- The seminal liquid has alkaline effect. …………………………………………………………………………………………………………………………………
3- Removing of prostate cause sterility. …………………………………………………………………………………………………………………………………
4
-
Infection with Gonorrhea.
…………………………………………………………………………………………………………………………………
Question Five: What will happen if?
1- Stop production of testosterone. ………………………………………………………………………………………………………………………………
2- Two tests exist inside the abdominal cavity. …………………………………………………………………………………………………………………………………
3- Fallopian tube was blocked. …………………………………………………………………………………………………………………………………
4- Fallopian tube has cilia. …………………………………………………………………………………………………………………………………
5- The uterus is lined with many blood vessels. …………………………………………………………………………………………………………………………………
6- The baby can be born alive in the seventh month. …………………………………………………………………………………………………………………………………
7- Reproduction in human is sexual. …………………………………………………………………………………………………………………………………
Question Four:Write the function of:
1- Two tests: …………………………………………………………………………………………………………………………………
2- Urinogenital …………………………………………………………………………………………………………………………………
3 - Sexual glands …………………………………………………………………………………………………………………………………
4- Fallopian tube …………………………………………………………………………………………………………………………………
5- Uterus: …………………………………………………………………………………………………………………………………
6- Seminal liquid …………………………………………………………………………………………………………………………………
7- Testosterone: …………………………………………………………………………………………………………………………………
- Progesterone and …………………………………………………………………………………………………………………………………
