Matching Pairs Organs of the Human BodyOnline version There are almost 78 organs in a human body which vary according to their sizes, functions or actions. An organ is a collection of millions of cells which group together to perform single functions in a our body. Direction: This activity contains a list of organs of the human body and their corresponding pictures in order to match pairs of items. by Elia Tejada 1 -Cornea -Iris -Ciliary body -Lens -Retina 2 -Human skeleton -Joints -Ligaments -Muscular system -Tendons 3 -Kidneys -Ureters -Bladder -Urethra 4 -mouth -Esophagus -Liver -Small intestine 5 -Pharynx -Larynx -Trachea -Lungs -Diaphragm 6 -Mammary glands -Skin -Subcutaneous tissue 7 -Ovaries -Fallopian tubes -Uterus -Vagina 8 -Pituitary gland -Pineal gland -Thyroid gland -Parathyroid glands -Adrenal glands -Pancreas 9 -Brain -Cerebrum -Cerebral hemispheres -Diencephalon -The brainstem -Midbrain 10 -Heart -Arteries -Veins -Capillaries