These lines (there is four of them) are residuals of the fusion of the five sacrum vertebrae that are fused. These "vertebrae" or segments present a characteristics, being the first of them very similar to a lumbar vertebra, large, and the other vertebrae are<span> progressively smaller and flattened. They also present a curved shape being anteriorly concave.</span>
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Seismic Waves!
Hope this helped :-)
Answer: Spermatogenesis begins at birth and continues throughout a man's life.
The process in which
haploid spermatozoa develop from germ cells in the seminiferous tubules of the
testis is known as Spermatogenesis. Thus, the process of spermatogenesis start
with mitotic division of the stem cells that is located close to the basement
membrane of the tubules. However, a mature male gametes known as sperm but it
is commonly known as spermatozoa.
Answer: The correct answer is cortex
Explanation:
The glomerulus and the bowman’s capsule are both located in the Cortex, one of the two main regions of the kidney, alongside the Medulla.
The glomerulus is a mass of blood capillaries linked to urinary tubule, while the Bowman's capsule is a cup-shaped structure. The glomerulus filters materials such water, urea, glucose ET into the bowman's capsule in a process called ultrafiltration, a necessary step in urine formation.
