Answer:
Red blood cells, also called erythrocytes, are the most abundant cell type in the blood.
The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
Answer:
1.) "Erosion is a mechanical process, usually driven by water, wind, gravity, or ice, which transports sediment (and soil) from the place of weathering. Liquid water is the main agent of erosion. Gravity and mass wasting processes move rocks and sediment to new locations."
2.) "Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away."
Explanation:
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Answer:
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
Explanation:
Basically it trains the body by giving it a little expirementation withthe sickness. After that, the body will learn how to properly fight or keep the sickness at bay.
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Areoles are the tissue that make up most of the stem of cacti. These are specialized structure that give birth to flowers and are often tubular and multipetaled. This structure enables the plant to survive in the harsh conditions of the desert and help them absorb water from the soil efficiently.
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oxygen
Your cells need oxygen to convert the nutrients you eat into energy for your body. In the process of making that energy, some waste products are produced. One of the main waste products is a gas called carbon dioxide.
