Human Body Systems
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
P
Passive ImmunityTemporary protection gained by receiving antibodies from another source. | |
PathogenA microorganism that causes disease. | |
Peripheral nervous system(PNS)– All nerves outside the brain and spinal cord. | |
PeristalsisWave-like muscle contractions that move food through the digestive tract. | |
Pituitary glandAn endocrine gland that controls many other endocrine glands. | |
PlacentaA temporary organ that exchanges nutrients, oxygen, and waste products between the mother and fetus. | |
PlasmaThe liquid component of blood that transports dissolved substances. | |
PlateletA blood cell fragment involved in blood clotting. | |
ProteaseAn enzyme that digests proteins. | |
ProteinA nutrient made of amino acids that is needed for growth and tissue repair. | |