Hassan Odegarrd
Mar 19
Biology notes book two about transport in plants and animals?
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Mar 19
Transport in Plants:
1. Plants have a complex system of transport that allows them to absorb water and nutrients from the soil and transport them to different parts of the plant.
2. The main transport system in plants is the vascular system, which consists of xylem and phloem. Xylem is responsible for transporting water and minerals from the roots to the leaves, while phloem transports sugars and other organic compounds from the leaves to other parts of the plant.
3. Water is absorbed by the roots through osmosis and is transported through the xylem vessels to the leaves. This process is known as transpiration and helps to maintain the plant's structure and cool the leaves.
4. The movement of water through the xylem is driven by a combination of factors, including transpiration, cohesion and adhesion forces, and root pressure.
5. Phloem transports sugars and other organic compounds produced by photosynthesis from the leaves to other parts of the plant. This process is known as translocation and is driven by a pressure gradient created by the active transport of sugars into the phloem.
Transport in Animals:
1. Animals have a closed circulatory system that allows for the efficient transport of oxygen, nutrients, and waste products throughout the body.
2. The main components of the circulatory system in animals are the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, which carry oxygen-rich blood from the lungs to the rest of the body and oxygen-poor blood back to the lungs.
3. Blood is composed of red blood cells, white blood cells, platelets, and plasma. Red blood cells are responsible for carrying oxygen from the lungs to the tissues, while white blood cells help to fight off infections and platelets are involved in blood clotting.
4. The circulatory system also plays a role in regulating body temperature, pH balance, and hormone levels. It helps to maintain homeostasis and ensure that all cells in the body receive the nutrients and oxygen they need to function properly.
5. The lymphatic system is another important component of the transport system in animals. It helps to remove excess fluid and waste products from the tissues and plays a role in the immune response by transporting white blood cells to sites of infection.
1. Plants have a complex system of transport that allows them to absorb water and nutrients from the soil and transport them to different parts of the plant.
2. The main transport system in plants is the vascular system, which consists of xylem and phloem. Xylem is responsible for transporting water and minerals from the roots to the leaves, while phloem transports sugars and other organic compounds from the leaves to other parts of the plant.
3. Water is absorbed by the roots through osmosis and is transported through the xylem vessels to the leaves. This process is known as transpiration and helps to maintain the plant's structure and cool the leaves.
4. The movement of water through the xylem is driven by a combination of factors, including transpiration, cohesion and adhesion forces, and root pressure.
5. Phloem transports sugars and other organic compounds produced by photosynthesis from the leaves to other parts of the plant. This process is known as translocation and is driven by a pressure gradient created by the active transport of sugars into the phloem.
Transport in Animals:
1. Animals have a closed circulatory system that allows for the efficient transport of oxygen, nutrients, and waste products throughout the body.
2. The main components of the circulatory system in animals are the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, which carry oxygen-rich blood from the lungs to the rest of the body and oxygen-poor blood back to the lungs.
3. Blood is composed of red blood cells, white blood cells, platelets, and plasma. Red blood cells are responsible for carrying oxygen from the lungs to the tissues, while white blood cells help to fight off infections and platelets are involved in blood clotting.
4. The circulatory system also plays a role in regulating body temperature, pH balance, and hormone levels. It helps to maintain homeostasis and ensure that all cells in the body receive the nutrients and oxygen they need to function properly.
5. The lymphatic system is another important component of the transport system in animals. It helps to remove excess fluid and waste products from the tissues and plays a role in the immune response by transporting white blood cells to sites of infection.
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