The structure of the mature sperm contains a tail, middle section having mitochondria and a head part. The tip of the head part contains <u>acrosome </u>and nucleus. The sperm at maturity, contains a cap like structure at the anterior end. It is termed as acrosome. In this structure, enzymes are present which help the sperm to penetrate into the egg for fertilization. The acrosome allows the plasma membranes of both the cells to fuse and fertilization takes place.
Answer:
Plants that die and are buried may turn into fossil fuels made of carbon like coal and oil over millions of years. ... When humans burn fossil fuels, most of the carbon quickly enters the atmosphere as carbon dioxide. Carbon dioxide is a greenhouse gas and traps heat in the atmosphere.
Explanation:
Answer:
Inhalation.
Explanation:
Respiration may be defined as the process of exchange of gases between the body tissues, lungs and the outside environment. The oxygen is inhaled and carbon dioxide is exhaled out from the body.
Two phase of respiration are inhalation and exhalation. Inhalation is the the movement of oxygen inside the lungs and body tissues. The diaphragm contracts and moves downward which increases the space in chest cavity and the breathe can be held longest during this phase.
Thus, the answer is inhalation.
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Explanation:
YW!
-Poppy
(Medulla oblongata) is the part of the brain which is affected of the patient who is complaining of breathing problems. The (Medulla oblongata) is a vital center which controls visceral activities such as breathing, heart rates, blood pressure, swallowing and vomiting.
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