The integumentary system is a tough system that covers the whole body. It consists of the skin and its appendages, which include the hair, sweat glands, the sebaceous glands and nails. The Skin The skin is the largest organ in the body; it constitutes about 16% of the body weight. It consists of the epidermis and dermis and overlies the hypodermis (subcutis) which is usually a connective adipose tissue of variable thickness and appearance. The skin contains specialized appendages that include...

The female reproductive system, also known as the female genital system, is a group of organs and structures that work together to enable pregnancy, and childbirth. Its specific functions include: Production of the female gametes, the ova. Production of female sex Hormones (estrogen and progesterone). Facilitate fertilization of the ovum by spermatozoa. Transport of the fertilized ovum to the uterus. Facilitate implantation of the blastocyst. Formation of the placenta and maintenance of the...

This is also known as male reproductive system. It consists of the consists of the testis, the epididymis, the vas deference, the seminal vesicle, the prostate, Cowper’s gland, the urethra and penis. Its main functions are production, maintenance, and transportation of spermatozoa (the gametes), and production of a fluids (seminal fluid) that carries and protects the spermatozoa, and the ejection of sperms at the end of a sexual relation. Moreover, the male reproductive system produces and...