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Excretion is the process by which waste products of metabolism and other non-useful materials are eliminated from an organism.

Medical illustration about Sacrum.3d rendering. No AI create.

Dopamine is a chemical messenger and neurotransmitter produced in the brain that affects many bodily functions. It's an organic chemical that's part of the catecholamine and phenethylamine families. Dopamine is responsible for many effects, including mood, movement, memory, motivation, attention.

The 12 constellations of the zodiac drawn on an old paper.

Uterus or uterine cancer. Medical concept as cancerous cells spreading in a female reproductive system. 3d illustration

Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

Background of mold in the wood of the house.

MRI scanning of the human body skeletal, muscular and nervous systems with abdomen region view. / You can see the animation movie of this image from my iStock video portfolio. Video number:

Micrograph of rat brain. Science cross section.

Trematode parasite under a microscope

Human brain anatomy, function area, mind system, 3d render illustration

plant Zea Stem C.S. under light mircoscope with white background

Cygnus constellation in night sky with bright blue stars

stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.

The posterior sacroiliac ligament is a compound ligament composed of three distinct bands 3d illustration

Antibodies Attacking a Neuron. Concept of Autoimmune Neurologic Diseases

Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.

Chronic kidney disease, virus or bacterial infection. 3d illustration

Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background

Abstract technological design of an artificial molecular structure in many colors. Horizontal wide composition.

3D Illustration Concept of Human Skeleton System Tibia and Fibula Bone Joints Anatomy

$Schematic representation of the zodiacal constellation \$

The sacrotuberous ligament (STL) is a stabiliser of the sacroiliac joint and connects the bony pelvis to the vertebral column 3d illustration

Antibodies Attacking a Neuron. Concept of Autoimmune Neurologic Diseases

$Orthotics is a medical specialty that focuses on the design and application of orthoses, or braces. An orthosis is \$

Thanks to the scientific analysis of the correct plank position, it is possible to develop more effective abdominal muscles. Waiting in the plank position increases body endurance with faster abdominal fat burning by stretching the muscles. MRI scanning of the human body skeletal, muscular and nervous systems. / You can see the animation movie of this image from my iStock video portfolio. Video number: 1433390434

Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.

Virus infected human hair. 3d illustration

Cassiopeia constellation on the starry sky

Doctor holding a human head model

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