The  blood circulatory system  ( cardiovascular system ) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the  blood  vessels runni…

SENSATIONS AND RESPONSES Stimuli   : The senses that evoke responses in organisms.  There are specialized cells in the sense organs and other parts of t…

Eye Eye socket depressions in the skull External eye muscles fix the eye balls in the orbit Eyebrow Protects…

materials for teachers click below Let’s Regain Our Field.ppt (windows) Let’s Regain Our Field.ppt (Ubuntu) Let’s Regain Our Field.pdf

Hormones play a major role in the control and coordination of life activities. They are the chemical messages that help to maintain the homeostasis of body activities.…