SCIENCE FORM 5

THEME: MAINTENANCE AND CONTINUITY OF LIFE

LEARNING AREA: 1. BODY COORDINATION

Misconception	Correction
All hormone carry out the same function	Each hormone carry out a specific function.Hormones are specialized substances that coordinate the activities of specific cells in certain areas of the body. Hormones are produced by cells in glands, and they are secreted by the gland into the bloodstream. The bloodstream then transports the hormone to certain tissues, where the hormone has its effect.
lung and other organs need more blood due to exercise	lung and other organs actually need oxygen.blood is use to transfer oxygen to all part of body.
Major function of perspiration is to clean waste or poison from the body	Major function of perspiration is to regulates body temperature.
Human nervous system is consist only brain	Human nervous system not only brain but also spinal cord
The involuntary action must interpreted by the brain. E.g. sneezing	A reflex produces a rapid motor responses a stimulus because the Sensory Neuron synapses directly with a motor neuron in the spinal cord. Reflexes are very fast, and most reflexes never reach the brain for processing but are immediate nature. Spinal cord itself can direct interpreted the data.
the temperature changed because the friction of vessel to supply oxygen to all part of body	blood vessel widen and narrow due to the body temperature conditions. for example if the body too hot the blood vessel will widen to bring more blood closer to the outer layer of the skin to release some heat