The answer is D, white blood cells.
The main function of white blood cells is to defense the body from bacteria or other pathogens. There's 2 main kinds of white blood cells, lymphocytes and phagocytes. Lymphocytes mainly produce antibodies that can kill bacteria or any pathogens, and phagocytes can ingest the pathogens directly.
Therefore, since the white blood cells can protect our body, they're part of our immune system.
Trees are very important natural resources. They are the source of food, shelter and habitat. We get various woods, timber , fodder from the forest. Trees hold the soil firmly. Forests helps in conducting water cycle. If trees are cut down then environmental pollution will increase because trees purify the Air. Land pollution , air pollution , water pollution may increase. Biodiversity can be affected.
Answer:
True.
Explanation:
Autonomic nervous system is the division of peripheral nervous system. Autonomic nervous system control the involuntary actions of body like digestion, respiration, urination and heart rate.
Autonomic nervous system supplies the glands and smooth muscle and regulates the function of the internal organs. Hence, the smooth muscle is controlled by autonomic nervous system.
Thus, the given statement is true.
Answer:
Eukarya - (D)
Explanation:
Organisms belonging to the plant kingdom are eukaryotic and multicellular organisms. They have a distinct cell wall made of cellulose. Cells are organised into true plant tissues. Plants contain plastids and photosynthetic pigments such as chlorophyll.
Because if a hypha is damaged, fungi can seal septa pores to prevent cytoplasmic leakage.