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anatomy image

Science that studies the structure of the human body, as well as the relationships between the various organs that comprise it.

digestive system image

digestive system
Formed of the mouth, digestive tract and appended glands, it converts ingested food so that it can be assimilated by the organism.

urinary system image

urinary system
Eliminates the organism’s waste through secretion and evacuation of urine; it also regulates the quantity of water and salt in the body.

breast image

Female milk-secreting glandular organ; it develops at puberty and increases in size during pregnancy.

muscles image

Contractile organs made of fibers allowing the body to move and maintain its posture; the human body has over 600 muscles.

skeleton image

All the articulated bones (about 200), of varying sizes and shapes, forming the frame of the body, supporting the muscles and protecting the vital organs.

teeth image

Hard organs implanted in maxillae and used for masticating food; a child usually has 20 and an adult 32 (16 per jaw).

blood circulation image

blood circulation
Propelled by the contractions of the heart, blood travels through the blood vessels of the body bringing oxygen and nutrients and removing waste.

respiratory system image

respiratory system
It causes gaseous exchanges to take place in the lungs by ensuring that oxygen is carried to the blood through inspiration, and carbon dioxide is eliminated from the blood through expiration.

nervous system image

nervous system
It directs the movements of the organs and muscles, interprets sensory messages coming from the body and ensures psychic activity.

male reproductive organs image

male reproductive organs
The male genitalia ensure reproduction; they produce spermatozoa and eject them into the female genital tract during copulation.

female reproductive organs image

female reproductive organs
Mainly internal, they enable fertilization of the egg by the spermatozoon and the development of the embryo and fetus.