Answer:
Nervous system: This systems helps the five sense organs (eyes, ears, nose, tongue, skin) which all contain nerves that send messages to the brain about what is happening. The brain produces a response which it sends via other nerves to the muscles.
Digestive system: This system helps to break down food into simpler substances so it can be used and absorbed into the body. It takes place in the alimentary canal (food tube), mainly in the stomach and small intestine. The digested food is absorbed into the blood.
Respiratory System: This system helps take in oxygen and removing waste carbon dioxide. Air enters the lungs by movement of the rib muscles and diaphragm. The oxygen is absorbed into the blood.
Reproductive system: This helps produce offspring. Eggs are produces by ovaries in a female and the sperm is produced in the testes of a male. They then try and fertilise the eggs.
Note:
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The leaves grow when the plant is growing.and the leaves are attached because it's part of the plant
The above statement is true.
The operation of nuclear power plants in the United States is closely monitored and regulated. The NRC or Nuclear regulatory commission is the body that is tasked to monitor and regulate the construction and operation of nuclear power plants. Nuclear power plants use the heat generated from nuclear fission in a contained environment to convert water to steam, which powers generate to produce electricity.
Answer:
1-Mouth:the mechanical digestion takes place in mouth with the help of teeth. chewing is the machanical digestion of food in mouth.
2-Stomach: by the churning process. churning is the mixing of food in stomach by the movements of smooth muscles in stomach wall.
Explanation:
Most fungi are multicellular organisms. They display two distinct morphological stages: the vegetative and reproductive. The vegetative stage consists of a tangle of slender thread-like structures called hyphae (singular, hypha), whereas the reproductive stage can be more conspicuous. The mass of hyphae is a mycelium
