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Heart sounds are audible vibrations produced by blood flowing through the heart's chambers as the valves open and close. The sounds are often described as a "lub-dub" rhythm: First heart sound (S1) This sound occurs when the mitral and tricuspid valves close, and is associated with the beginning of ventricular systole. S1 is usually high-pitched and split. Second heart sound (S2) This sound occurs when the aortic and pulmonary valves close. S2 is usually louder, crisper, and shorter tha...

gland in the male reproductive system that produces fluid for semen and helps push semen through the urethra: Location The prostate is located below the bladder, above the pelvic floor muscles, and behind the rectum. Function The prostate produces fluid that contains enzymes that thin semen and hormones that help sperm cells move. The prostate's muscles also help push semen through the urethra. Size The prostate is about the size of a chestnut and weighs about 30 grams.

largest organ and primary protective barrier: Structure: The skin is made up of three layers: the epidermis, dermis, and hypodermis. The skin's thickness varies by body region, with the thickest skin on the palms of the hands and soles of the feet. Functions: The skin has many functions, including: Protection: The skin protects the body from pathogens, microorganisms, toxins, chemicals, and ultraviolet (UV) light. Temperature regulation: The skin helps regulate body temperature ...

endel's laws of inheritance include law of dominance, law of segregation and law of independent assortment. The law of segregation states that every individual possesses two alleles and only one allele is passed on to t

Function Overview Anatomy of the outer, middle and inner ear. Your outer ear and middle ear are separated by your eardrum, and your inner ear houses the cochlea, vestibular nerve and semicircular canals (fluid-filled spaces involved in balance and hearing). What is the ear? Your ears are organs that detect and analyze sound. Located on each side of your head, they help with hearing and balance. Advertisement Cleveland Clinic is a non-profit academic medical center. Advertising on ou...

Function Overview Anatomy of the outer, middle and inner ear. Your outer ear and middle ear are separated by your eardrum, and your inner ear houses the cochlea, vestibular nerve and semicircular canals (fluid-filled spaces involved in balance and hearing). What is the ear? Your ears are organs that detect and analyze sound. Located on each side of your head, they help with hearing and balance. Advertisement Cleveland Clinic is a non-profit academic medical center. Advertising on ou...

prostate gland is located just below the bladder in men and surrounds the top portion of the tube that drains urine from the bladder (urethra). The prostate's primary function is to produce the fluid that nourishes and transports sperm (seminal fluid).

Steps Diagram Ppt PDF Class 10 In the kidney Occurs Notes Regulation Sequence मूत्र निर्माण मूत्र निर्माण की क्रियाविधि मूत्र का निर्माण होता है मानव में मूत्र निर्माण मूत्र निर्माण का चित्र मूत्र निर्माण को समझाइए AI Overview +7 Urine is for...

Transport Across the Cell Membrane Notes, PDF & PPT | www ... Transport through cell membrane, illustration - Stock Image - C038 ... Membranes - Science Active Transport Across Cell Membranes Cell membranes are selectively permeable, allowing small molecules like water and oxygen to pass through, but blocking larger ones like glucose and proteins. Transport across membranes can be passive or active: More References: LibreTexts, +5

here are 7 main areas covered in the upper limb; The muscles, bones, joints, nerves, blood and lymphatic supply, anatomical areas, and the structures in the hand. There are a large number of muscles in the upper limb, these are involved in allowing us to move and perform important tasks such as gripping with our hands or raising our arms, they also provide extra stability around the shoulder joint. There are 4 main groups of bones in the upper limb, the bones of the shoulder girdle, upper ...