Answer:
DEVELOPMENTAL NORMS. Developmental norms are defined as standards by which the progress of a child's development can be measured. For example, the average age at which a child walks, learns to talk, or reaches puberty would be such a standard and would be used to judge whether the child is progressing normally.
Explanation:
Answer:
Thousands of years back people were mostly hunters and gatherers. Thus, they used to eat raw meat and vegetable since they didn't know anything about cooking raw food in fire. After discovering about cooking raw meat and vegetables in fire is when new dishes and inventions came about.
Oxygen and carbon dioxide are the gases transported by the red blood cells. Oxygen is collected from the air in the alveoli to the blood capillaries. It binds to the heme group in <span>the haemoglobin<span>, which confers the red colour to the red blood cells where it is contained. </span></span>Carbon dioxide moves the other way around, from capillaries to alveoli. They are transported by the red blood cells when oxygen is exchanged by carbon dioxide from the cells' metabolism.
Answer:
Five to eight second.
Explanation:
The living organisms are made of the chemical. The hormone, receptors and any information that travels in the body are mainly depends on the chemical substances present in the body.
Chemical substance needs to be travel in the body whenever its require. The speed of the chemical substance depends upon its nature whether the substance is polar or non polar and at the site in which the substance is released. The chemical that travels from the lungs to the brain can travel maximum into 5 to 8 seconds.
Thus, the correct answer is option (a).
Answer: False
Explanation: Social health pertains to our social lives and how happy we are with our social lives.
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