In it's excretory role, the urinary system is primarily concerned with the removal of __________ wastes from the body.
Nitrogenous
The __________ perform(s) the excretory and homeostatic functions of the urinary system.
Kidneys
The __________ of the kidney is segregated into triangular region with a striped appearance.
Medulla
As the renal artery approaches a kidney, it is divided into branches known as the __________
Afferent Arterioles
What do we call the anatomical units responsible for the formation of urine?
Nephrons
This know of coiled capillaries found in the kidneys, forms the filtrate. It is the __________
Glomerulus
The section of the renal tubule closest to the glomerular capsule is the __________
Proximal Convoluted Tubule
The __________ arteriole drains the glomerular capillary bed.
Efferent
During tubular reabsorption components of filtrate move from the bloodstream into the tubule.
False
The __________ urethral sphincter consists of skeletal muscle and is voluntarily controlled
External
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
Scrotum
After sperm are produced, they enter the first part of the duct system, the __________.
Ductus Deferens
The prostate, seminal vesicles, and bulbourethral glands produce __________, the liquid medium in which sperm leaves the body.
Seminal Fluid
The __________ produce testosterone, the hormonal product of the testis.
Interstitial Cells
The endocrine products of the ovaries are estrogen and __________.
Progesterone
The __________ is homologous to the penis.
Clitoris
The __________ is a pear-shaped organ that houses the embryo or fetus during it's development.
Uterus
The ___________ the thick mucosal lining of the uterus has a superficial layer that sloughs off periodically.
Endometrium
A developing egg is ejected from the ovary at the appropriate stage of maturity in an event known as __________.
Ovulation
The end product of meiosis is __________.
Four Haploid Daughter Cells
A grouping of four chromatic, known as a __________, occurs only during ___________.
Tetrad, Follicle
As the primordial follicle grows and it's epithelium changes from the squamous to cuboidal cells, it becomes a __________ and begins to produce estrogens.
Primary Follicle
A sudden release of luteinizing hormone by the anterior pituitary triggers ovulation.
True
The __________ is a solid glandular structure with a rough edge (like a scab) that develops filled layer of the endometrium.
Corpus Albicans
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.
Menstrual
__________ is responsible for the development of breast and other secondary sex characteristics in women.
Extrogen
__________ is responsible for the development of secondary sex characteristics such as lowering of the voice, muscle growth and hair in men.
Testorone
When estrogen and progesterone levels _____ menstruation is triggered to begin with.
Drop
__________ is the hormone of the pregnancy and signals milk production and maintenance of the uterus to maintain a pregnancy.
Progesterone
When fertilization occurs the __________ secretes HCG to prepare for implantation.
Corpus Luteum
The fertilized egg, __________, appears as a single cell surrounded by a fertilization membrane and a jellylike membrane.
Zygote
The uniting of the egg and sperm nuclei is known as __________
Fertilization
Cleavage is a series of mitotic divisions without any intervening growth periods that results in a multicellular embryonic body.
True
As result of gastrulation, _____ layered embryo forms, with each layer corresponding to a primary germ layer.
3
The __________ gives rise to the epidermis of the skin and the nervous system.
Fetus
The placenta is composed solely of embryonic membranes.
True
The _____ encases the young embryonic body in a fluid-filled chamber that acts to protect the developing embryo against trauma.
Amnion
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)?
The Mother