The human organs are also called hollow organs because they have an empty tube or pouch. Examples of hollow organs include the stomach, intestine, and the heart.The eye is an organ that is generally considered part of the nervous system.Other organ systems in the human body include the immune system and the lymphatic system.The small intestine is actually much longer than the large intestine.<span>Some scientists say that the liver performs as many as 500 different functions.
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The characteristic of life for frogs who bury themselves in mud and leaves at the bottom of lakes and ponds is a response characteristic
Answer:
Melatonin
Explanation: melatonin in the body is a natural hormones that helps in the regulations or coordination of the cycle of our sleeping and waking. It is found in the pineal glad and it is more active during night time than day time.
Teenagers most especially has different time of sleep they sleep mostly late during weekends and sleep early during weekdays.our body needs sleep so as to function properly and most times our body is also adapt to some times that we sleep. Melatonin is usually release in the body gradually around 9pm in the evening where it initiate sleep but in some people, it is when the hormones is release in an increase dose that they can fall asleep thereby shifting the time to about 11pm or 12pm before the person can fall asleep for quick sleep, melatonin supplement are used.
Answer:
The function of DNA is tied to its structure. ... The sugars and phosphates link the nucleotides together to form each strand of DNA. When two strands of DNA come together, base pairs form between the nucleotides of each strand. Nitrogenous bases pair together in the following way: A-T and C-G.
