An organ is a specialized structure made up of various tissues that work together as a unit to carry out a particular job. Organ systems are collections of related organs that perform related duties. Ten major systems of this kind are found in the human body: the lymphatic, circulatory, respiratory, digestive, urinary, neurological, integumentary, musculoskeletal, and reproductive systems. A tissue is made up of a collection of related cells that perform related tasks. These tissues eventually come together to form organs, organ systems, and ultimately an individual. Do you know how many organs humans have?
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All lists Internal Body Parts:
- Brain
- Heart
- Lungs
- Liver
- Stomach
- Kidneys
- Intestines
- Pancreas
- Spleen
- Gallbladder
- Bladder
- Thyroid
- Adrenal glands
- Pituitary gland
- Thymus
- Pineal gland
- Bone marrow
- Uterus (in females)
- Testes (in males)
- Ovaries (in females)
Internal Body Parts Names in English with pictures:
- Brain:
Body’s command center for thinking, feeling, and movement.
- Heart:
Muscle that pumps blood, delivering oxygen and nutrients.
- Lungs:
Organs for breathing, taking in oxygen and releasing carbon dioxide.
- Liver:
Cleansing organ, filtering toxins and aiding digestion.
- Stomach:
Digestive organ, breaking down food for absorption.
- Kidneys:
Filters waste, producing urine to remove it from the body.
- Intestines:
Tubes for digestion and nutrient absorption.
- Pancreas:
Produces insulin for blood sugar regulation and enzymes for digestion.
- Spleen:
reduces the risk of infection and removes old blood cells.
- Gallbladder:
Stores bile for digestion.
- Bladder:
Stores urine until elimination.
- Thyroid:
Produces hormones for metabolism and growth.
- Adrenal glands:
Produce hormones for stress response and blood pressure.
- Pituitary gland:
Controls other glands and bodily functions.
- Thymus:
Important for immune system function.
- Pineal gland:
Regulates sleep-wake cycles.
- Bone marrow:
Produces blood cells.
- Uterus (in females):
Where babies grow during pregnancy.
- Testes (in males):
Produce sperm and male hormones.
- Ovaries (in females):
Produce eggs and female hormones.
Internal Body Parts Names in English:
- Prostate gland (in males)
- Esophagus
- Diaphragm
- Appendix
- Rectum
- Colon
- Rectum
- Trachea
- Bronchi
- Bronchioles
- Alveoli
- Veins
- Arteries
- Capillaries
- Aorta
- Vena cava
- Pulmonary artery
- Pulmonary vein
- Coronary arteries
- Coronary veins
20 Internal Body Parts Names with Images:
- Prostate gland (in males):
Gland in males that produces seminal fluid, aiding in sperm nourishment and transport.
- Esophagus:
Muscular tube connecting the throat to the stomach, facilitating food passage.
- Diaphragm:
Dome-shaped muscle beneath the lungs aiding in breathing by contracting and relaxing.
- Appendix:
Small pouch attached to the large intestine, playing a role in the immune system.
- Rectum:
Final section of the large intestine, storing feces before elimination.
- Colon:
Large intestine section responsible for water and salt absorption from feces.
- Trachea:
Windpipe carrying air to and from the lungs.
- Bronchi:
Tubes branching off the trachea, delivering air to the lungs.
- Bronchioles:
smaller bronchial branches seen in the lungs.
- Alveoli:
little air sacs in the lungs that are used for gas exchange.
- Veins:
Blood vessels carrying deoxygenated blood back to the heart.
- Arteries:
arteries that remove oxygenated blood from the heart.
- Capillaries:
Microscopic blood vessels connecting arteries and veins, facilitating gas and nutrient exchange.
- Aorta:
Largest artery in the body, distributing oxygenated blood to the body.
- Vena cava:
Large vein carrying deoxygenated blood from the body back to the heart.
- Pulmonary artery:
Blood vessel carrying deoxygenated blood from the heart to the lungs.
- Pulmonary vein:
blood vessel that travels from the lungs to the heart carrying oxygenated blood.
- Coronary arteries:
Blood vessels supplying oxygen-rich blood to the heart muscle.
- Coronary veins:
Blood vessels draining oxygen-depleted blood from the heart muscle.
20 Internal Body Parts Names in English:
- Lymph nodes
- Lymphatic vessels
- Tonsils
- Thymus gland
- Eustachian tube
- Eardrum
- Cochlea
- Vestibular system
- Optic nerve
- Retina
- Cornea
- Lens
- Iris
- Pupil
- Urethra
- Ureters
- Vagina
- Prostate gland
- Cowper’s gland
- Epididymis
Internal Body Parts Names in English with pictures:
- Lymph nodes:
Small structures that filter lymph and aid in fighting infections.
- Lymphatic vessels:
Vessels that transport lymph, a fluid containing white blood cells, throughout the body.
- Tonsils:
Clusters of tissue in the throat that help defend against infections.
- Thymus gland:
Gland in the chest crucial for immune system development, especially in childhood.
- Eustachian tube:
Tube connecting the middle ear to the back of the nose, maintaining pressure balance.
- Eardrum:
Thin membrane separating the outer and middle ear, vibrating in response to sound.
- Cochlea:
Spiral-shaped organ in the inner ear responsible for hearing.
- Vestibular system:
Inner ear part regulating balance and spatial orientation.
- Optic nerve:
transmits visual information from the brain to the eye.
- Retina:
Light-sensitive layer at the back of the eye containing photoreceptor cells.
- Cornea:
Transparent outer eye layer, aiding in focusing light onto the retina.
- Lens:
Clear eye structure focusing light onto the retina.
- Iris:
Colored eye part controlling pupil size and light entering.
- Pupil:
Circular opening in the center of the iris allowing light into the eye.
- Urethra:
tubes that connect the kidneys and bladder to transport pee.
- Ureters:
tubes that connect the bladder to the kidneys to transport urine.
- Vagina:
Muscular canal in females connecting the uterus to the outside and involved in reproduction.
- Prostate gland:
Gland in males producing seminal fluid for sperm nourishment and transport.
- Cowper’s gland:
Glands in males secreting fluid to lubricate and neutralize urethral acidity.
- Epididymis:
Each testicle has a coiled tube behind it where mature sperm are kept.
- Vas deferens
- Seminal vesicles
- Cervix
- Fallopian tubes
- Endometrium
- Myometrium
- Perimetrium
- Ovary follicles
- Seminiferous tubules
- Leydig cells
- Sertoli cells
- Glomerulus
- Nephron
- Renal tubules
- Loop of Henle
- Collecting duct
- Bowman’s capsule
- Glomerular filtration rate (GFR)
- Proximal convoluted tubule
- Distal convoluted tubule
Human Internal body parts pictures:
- Vas deferens:
Tube that carries sperm from the epididymis to the ejaculatory duct.
- Seminal vesicles:
Glands that produce seminal fluid, nourishing sperm and enhancing their motility.
- Cervix:
Lower part of the uterus that connects to the vagina.
- Fallopian tubes:
Tubes that transport eggs from the ovaries to the uterus and are the site of fertilization.
- Endometrium:
Inner lining of the uterus that thickens during the menstrual cycle and sheds during menstruation.
- Myometrium:
Middle layer of the uterus composed of smooth muscle.
- Perimetrium:
Outer layer of the uterus.
- Ovary follicles:
Structures within the ovaries that contain immature eggs.
- Seminiferous tubules:
Tubes in the testes where sperm production occurs.
- Leydig cells:
Cells in the testes that produce testosterone.
- Sertoli cells:
Cells in the testes that support sperm production.
- Glomerulus:
Network of capillaries in the kidney where blood filtration occurs.
- Nephron:
Functional unit of the kidney responsible for filtering blood and producing urine.
- Renal tubules:
Structures in the nephron where reabsorption and secretion occur.
- Loop of Henle:
U-shaped portion of the nephron involved in water and salt reabsorption.
- Collecting duct:
Structure in the kidney that collects urine from multiple nephrons.
- Bowman’s capsule:
Structure in the nephron that surrounds the glomerulus and collects filtrate.
- Glomerular filtration rate (GFR):
Rate at which blood is filtered by the glomerulus.
- Proximal convoluted tubule:
First segment of the renal tubule where reabsorption occurs.
- Distal convoluted tubule:
Segment of the renal tubule where further reabsorption and secretion occur.
What are the 10 internal parts of the body?
- Ascending limb
- Descending limb
- Podocytes
- Proximal tubule
- Distal tubule
- Loop of Henle
- Glomerular capsule
- Glomerulus
- Renal corpuscle
- Juxtaglomerular apparatus
- Macula densa
- Renal papilla
- Renal pyramid
- Renal cortex
- Renal medulla
- Renal pelvis
- Ureteric orifices
- Major calyx
- Minor calyx
- Urethral sphincters
Internal body parts names in English with images:
- Ascending limb:
Part of the nephron loop that moves ions out of the tubule.
- Descending limb:
Part of the nephron loop that moves water out of the tubule.
- Podocytes:
Cells in the Bowman’s capsule that help filter blood.
- Proximal tubule:
Site of reabsorption of water, ions, and nutrients.
- Distal tubule:
Site of further ion reabsorption and secretion.
- Loop of Henle:
U-shaped portion of the nephron involved in concentrating urine.
- Glomerular capsule:
Capsule surrounding the glomerulus, where filtration occurs.
- Glomerulus:
Network of blood vessels where blood filtration occurs.
- Renal corpuscle:
Structure composed of the glomerulus and glomerular capsule.
- Juxtaglomerular apparatus:
Area near the glomerulus involved in blood pressure regulation.
- Macula densa:
Cells in the distal tubule that monitor sodium concentration in the filtrate.
- Renal papilla:
Tip of the renal pyramid where urine is collected.
- Renal pyramid:
Triangular-shaped tissue in the renal medulla.
- Renal cortex:
Outer layer of the kidney containing nephrons.
- Renal medulla:
Inner part of the kidney containing renal pyramids and collecting ducts.
- Renal pelvis:
Funnel-shaped structure that collects urine from the kidney.
- Ureteric orifices:
Openings where the ureters connect to the renal pelvis.
- Major calyx:
Collecting structure that merges to form the renal pelvis.
- Minor calyx:
Collecting structure that merges to form the major calyx.
- Urethral sphincters:
Muscles that control the flow of urine from the bladder through the urethra.
Internal Body Parts Names in English
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