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When you breath in, the intercostal muscles and diaphragm contract. This causes the diaphragm to flatten and the ribs to move apart which increases the size of the chest cavity. The larger volume now mean...

1- Prophase2- Metaphase3- Anaphase4- Telophase

Cytoplasm: A jelly-like material that contains dissolved nutrients and salts and structures called organelles. It is where many of the chemical reactions happen.Nucleus: Contains genetic material, includi...

A stable ecosystem is where the outputs (losses of the ecosystem) equal the inputs (gains) - there is a balance. They are supported by what they produce, and their structure and function remain constant f...

Some energy is lost via the the primary organism's waste products (such as urine and faeces).Some energy is lost as heat produced as a product of respiration.Energy produced by respiration may be used for...