In it's excretory role, the urinary system is primarily concerned with the removal of __________ wastes from the body.
The __________ perform(s) the excretory and homeostatic functions of the urinary system.
The __________ of the kidney is segregated into triangular region with a striped appearance.
As the renal artery approaches a kidney, it is divided into branches known as the __________
What do we call the anatomical units responsible for the formation of urine?
This know of coiled capillaries found in the kidneys, forms the filtrate. It is the __________
The section of the renal tubule closest to the glomerular capsule is the __________
Proximal Convoluted Tubule
The __________ arteriole drains the glomerular capillary bed.
During tubular reabsorption components of filtrate move from the bloodstream into the tubule.
The __________ urethral sphincter consists of skeletal muscle and is voluntarily controlled
The essential organs of reproduction are the __________ which produce the germ cells.
Gonads (Ovary and Testes)
The paired oval testes lie in the __________ outside the abdominalpelvic cavity, where they are kept slightly cooler than body temperature
After sperm are produced, they enter the first part of the duct system, the __________.
The prostate, seminal vesicles, and bulbourethral glands produce __________, the liquid medium in which sperm leaves the body.
The __________ produce testosterone, the hormonal product of the testis.
The endocrine products of the ovaries are estrogen and __________.
The __________ is homologous to the penis.
The __________ is a pear-shaped organ that houses the embryo or fetus during it's development.
The ___________ the thick mucosal lining of the uterus has a superficial layer that sloughs off periodically.
A developing egg is ejected from the ovary at the appropriate stage of maturity in an event known as __________.
The end product of meiosis is __________.
Four Haploid Daughter Cells
A grouping of four chromatic, known as a __________, occurs only during ___________.
As the primordial follicle grows and it's epithelium changes from the squamous to cuboidal cells, it becomes a __________ and begins to produce estrogens.
A sudden release of luteinizing hormone by the anterior pituitary triggers ovulation.
The __________ is a solid glandular structure with a rough edge (like a scab) that develops filled layer of the endometrium.
The __________ phase of the female cycle that occurs from days 1-5 and is signaled by sloughing off of the thick blood filled layer of the endometrium.
__________ is responsible for the development of breast and other secondary sex characteristics in women.
__________ is responsible for the development of secondary sex characteristics such as lowering of the voice, muscle growth and hair in men.
When estrogen and progesterone levels _____ menstruation is triggered to begin with.
__________ is the hormone of the pregnancy and signals milk production and maintenance of the uterus to maintain a pregnancy.
When fertilization occurs the __________ secretes HCG to prepare for implantation.
The fertilized egg, __________, appears as a single cell surrounded by a fertilization membrane and a jellylike membrane.
The uniting of the egg and sperm nuclei is known as __________
Cleavage is a series of mitotic divisions without any intervening growth periods that results in a multicellular embryonic body.
As result of gastrulation, _____ layered embryo forms, with each layer corresponding to a primary germ layer.
The __________ gives rise to the epidermis of the skin and the nervous system.
The placenta is composed solely of embryonic membranes.
The _____ encases the young embryonic body in a fluid-filled chamber that acts to protect the developing embryo against trauma.
What is the function of the placenta?
Site of diffusion of nutrients of mother, takes chemicals away from fetus
Who is responsible for the fetal oxygen supply and getting rid of wastes (nitrogenous and carbon dioxide)?