WebThe circulatory system varies from simple systems in invertebrates to more complex systems in vertebrates. The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as dissolved gases, as shown in Figure 1a. Web15.1 CIRCULATORY SYSTEM Plants and animals Our body is made of cells. Cells need nutrients and oxygen to survive, and wastes ... Blood is the circulating fluid, a connective tissue made of a fluid matrix and Plants and animals cells. 4. Lymphatic system comprises of lymph nodes and lymph vessels. 1. The human heart
The circulatory system - Animal organisation - BBC Bitesize
WebBoth types of plants make most of their sugar in the dark. 556views. Question 7. Textbook Question. Why is it difficult for C3 plants to carry out photosynthesis in very hot, dry environments such as deserts? a. The light is too intense and destroys the pigment molecules. b. The closing of stomata keeps CO2 from entering and O2 from leaving the ... WebThe circulatory system of an ectotherm also plays a major role in temperature regulation. The blood travels everywhere in the body, so if the blood is warm, it keeps the cells warm. Ectotherms have their blood vessels close to the skin for quick heat exchange. Most heat … dgms.gov.in circulars
Plant Development I: Tissue differentiation and function
WebJun 15, 2024 · Circulatory system or blood circulatory system is the main transport system in human beings and animals. It makes food, water and oxygen available to every parts of the body and helps in removing waste material (urea, CO2, etc). The circulatory system consists of blood, blood vessels and heart. Blood. WebVascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists stems, leaves, and the reproductive parts of the plant (flowers … WebQuestion 11. 30 seconds. Q. Describe how the transport system of a plant is critical to its reproductive function. I. The plant’s root system uptakes water and nutrients and delivers them to the flowering parts of the plant to support growth and development. II. The shoot system provides structural support to the plant and upholds the flower. dgms exam notification 2021