Small triangular glands located on top of each kidney that produce essential hormones.

A small finger-like pouch attached to the cecum of the large intestine.

Blood vessels that carry oxygenated blood away from the heart to the body.

A hollow muscular organ that stores urine from the kidneys.

The soft spongy tissue found inside bones responsible for blood cell production.

The central organ of the human nervous system, responsible for controlling thought, memory, emotion, touch, motor skills, vision, and breathing.

The main air passages that branch from the trachea into the lungs.

The smallest blood vessels that connect arteries and veins for nutrient exchange.

A firm, flexible connective tissue found in joints, ears, nose, and the rib cage.

A region of the brain located at the back of the skull that coordinates voluntary movement.

The largest part of the brain, responsible for higher cognitive functions.

The narrow lower portion of the uterus that opens into the vagina.

The triangular bony structure at the base of the spinal column, also known as the tailbone.

The large intestine extending from the cecum to the rectum.

The thin transparent membrane covering the front of the eye and inner eyelids.

The transparent front part of the eye that covers the iris and pupil.

A dome-shaped muscle that separates the chest cavity from the abdominal cavity.

The first part of the small intestine immediately beyond the stomach.

The thick outermost layer of the meninges surrounding the brain and spinal cord.

A thin membrane that separates the outer ear from the middle ear.

A coiled tube at the back of each testicle that stores and matures sperm.

A muscular tube connecting the throat to the stomach.

A narrow canal connecting the middle ear to the nasopharynx.

Two narrow tubes that transport eggs from the ovaries to the uterus.

A small pear-shaped organ under the liver that stores bile.

Collections of nerve cell bodies located outside the central nervous system.

The opening between the vocal cords in the larynx.

The largest muscle in the human body forming the bulk of the buttock.

Small cavities in the skin from which hair grows.

The muscle that pumps blood received from veins into arteries throughout the body.

The ball-and-socket joint connecting the femur to the pelvis.

A small region at the base of the brain that regulates autonomic functions.

The final and longest section of the small intestine.

The colored circular part of the eye surrounding the pupil.

The middle section of the small intestine between the duodenum and ileum.

Major veins that return deoxygenated blood from the head to the heart.

A pair of bean-shaped organs that filter waste products from the blood, regulate fluid balance, and maintain electrolyte homeostasis.

The hollow organ in the throat that houses the vocal cords.

Fibrous connective tissue bands that connect bones at joints.

The largest internal organ, responsible for metabolism, detoxification, protein synthesis, and production of biochemicals necessary for digestion.

The pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn.

Small bean-shaped organs of the lymphatic system distributed throughout the body.

Glands within the breasts that produce milk.

The lower jawbone, the largest and strongest bone of the face.

The central compartment of the thoracic cavity containing the heart and great vessels.

The lowest part of the brainstem connecting the brain to the spinal cord.

Cells in the skin and eyes that produce melanin pigment.

The three membranes that envelop the brain and spinal cord.

A fold of tissue attaching the intestines to the abdominal wall.

The five long bones in the hand between the wrist and fingers.