The penis: it is spongy with large spaces that becomes gouged with blood causing it to erect;
The glans of the penis is highly sensitive due to nerve supply; and during copulation it is easily
stimulated to bring about erection and ejaculation;
The penis is highly supplied with blood capillaries; that supply enough blood to the spongy spaces
for erection;
The scrotum; is a sac like skin that suspends the testis outside the body at a lower temperature than
that of the body ideal for spermatogenesis; the testis; contains numerous seminiferous tubules that
nourish the sperms until they become mature; the epididymis; is long and coiled; to provide a large
surface area for temporary storage of sperms;
The vas deferens; is muscular and upon contraction of its muscles it pushes sperms out and allows
ejaculation;
The accessory glands like seminal vesicles; cowpers gland; and prostrate glands; provided fluids /
seminal fluids that nourish spermatozoa; and provide it with a suitable swimming medium;
Describe how the mammalian male reproductive system is adapted to perform its functions
Penis; Highly vacularised/spongy, sensitive glands. Long to allow entry into the vagina; becomes erect when blood flows to the blood spaces, testis contains numerous somniferous tubules; containing premedical germ cells for spermatogenesis takes place; the process is favored by slightly lower temperature than that o the body, contain sterol cells which nourish sperms until they are mature; Long coiled Epididymis; for storage of sperms; A muscular Vas deferens; than upon contraction pushes sperms out and allows ejaculation; to increase chances of fertilization, sperms have a tail and a head with a large number of mitochondria; to provide energy for swimming to each the egg/ovum. Seminal vesicle/cowpers glands/prostate gland; produce seminal fluid to provide a medium for sperms to swim.
CertifiedHero answered the question on November 7, 2017 at 12:26
- List four forms of diabetes mellitus(Solved)
List four forms of diabetes mellitus
Date posted: November 4, 2017. Answers (1)
- Explain how structural features in terrestrial plants affect their rate of transpiration(Solved)
Explain how structural features in terrestrial plants affect their rate of transpiration
Date posted: November 4, 2017. Answers (1)
- Outline the characteristics of meristematic tissue(Solved)
Outline the characteristics of meristematic tissue
Date posted: November 3, 2017. Answers (1)
- Explain what happens to a young growing seedling when exposed to unidirectional source of light(Solved)
Explain what happens to a young growing seedling when exposed to unidirectional source of light
Date posted: November 3, 2017. Answers (1)
- List three types of muscles(Solved)
List three types of muscles
Date posted: November 3, 2017. Answers (1)
- Explain why individual with smaller sizes require more energy per kg of body weight than those with large sizes(Solved)
Explain why individual with smaller sizes require more energy per kg of body weight than those with large sizes
Date posted: November 3, 2017. Answers (1)
- Identify the type of mutation represented by the following pairs of words
Shirt instead of skirt
Hoping instead of shopping
Eating instead of tea
(Solved)
Identify the type of mutation represented by the following pairs of words
Shirt instead of skirt
Hoping instead of shopping
Eating instead of tea
Date posted: November 3, 2017. Answers (1)
- State three functions of the mammalian blood other than transport(Solved)
State three functions of the mammalian blood other than transport
Date posted: November 2, 2017. Answers (1)
- State the role of juvenile hormone in the development of insects(Solved)
State the role of juvenile hormone in the development of insects
Date posted: November 2, 2017. Answers (1)
- Name the hormone responsible for moulting in insects (Solved)
Name the hormone responsible for moulting in insects
Date posted: November 2, 2017. Answers (1)
- List any distinguishing features of the class arachnida(Solved)
List any distinguishing features of the class arachnida
Date posted: November 2, 2017. Answers (1)
- State the functions of the following cell organelle (i) Ribosome (ii) Smooth endoplasmic reticulum (iii) Golgi apparatus(Solved)
State the functions of the following cell organelle
(i) Ribosome
(ii) Smooth endoplasmic reticulum
(iii) Golgi apparatus
Date posted: November 2, 2017. Answers (1)
- Give reasons as to why blood clotting is important.(Solved)
Give reasons as to why blood clotting is important.
Date posted: October 31, 2017. Answers (1)
- Describe how the leaves of green plants are adapted to their photosynthetic functions.(Solved)
Describe how the leaves of green plants are adapted to their photosynthetic functions.
Date posted: October 31, 2017. Answers (1)
- What are the two major branches of biology?(Solved)
What are the two major branches of biology?
Date posted: October 30, 2017. Answers (1)
- Explain how the internal and external structure of a mesophyte leaf is adapted to photosynthesis.
(Solved)
Explain how the internal and external structure of a mesophyte leaf is adapted to photosynthesis.
Date posted: October 27, 2017. Answers (1)
- Explain how urine is formed and removed from the human body.(Solved)
Explain how urine is formed and removed from the human body.
Date posted: October 27, 2017. Answers (1)
- Name three types of placentation in plants(Solved)
Name three types of placentation in plants
Date posted: October 27, 2017. Answers (1)
- Distinguish between primary growth and secondary growth.(Solved)
Distinguish between primary growth and secondary growth.
Date posted: October 27, 2017. Answers (1)
- Name the instrument used in measuring the following parameter in a habitat.
Speed of wind.(Solved)
Name the instrument used in measuring the following parameter in a habitat.
Speed of wind.
Date posted: October 27, 2017. Answers (1)