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What protects the CNS from harmful substances and pathogens by preventing passage of these substances from blood into the interstitial fluid of brain tissue?
The blood-brain barrier is a protective mechanism that regulates the passage of substances from the blood into the interstitial fluid of the brain tissue. It consists of specialized endothelial cells that line the capillaries in the brain, tight junctions between these cells, and other supporting cells like astrocytes. This barrier helps protect the central nervous system (CNS) from harmful substances and pathogens.
What protects your body?
The immune system helps protect the body from harmful invaders like viruses and bacteria by neutralizing and eliminating them. Skin acts as a physical barrier to prevent pathogens from entering the body. Antioxidants and other molecules help protect cells from damage caused by free radicals and other harmful substances.
What system of the body protects us from harmful substances and removes wastes from cells?
The immune system protects our body from harmful substances by identifying and combating pathogens such as viruses and bacteria. The excretory system removes wastes from cells through organs like the kidneys and liver, filtering out toxins and maintaining the body's internal balance.
Which layer of skin protects the body from th external environment?
The outermost layer of skin, called the epidermis, protects the body from the external environment. It acts as a barrier against harmful substances, pathogens, and UV radiation.
What protects the nail matrix from the invasion of harmful substances.?
cuticle
What is a cell that protects the body by eating invading cells is a?
A cell that protects the body by engulfing and digesting invading cells is called a phagocyte, such as macrophages and neutrophils. These cells play a crucial role in the immune system by detecting and eliminating pathogens and other harmful particles.
What body system destroys harmful substances such as pathogens and cancer cells?
Lymphatic system
Which body system destroys harmful substances such as pathogens and cancer cells?
Lymphatic system
What is produced to protect us from harmful substances?
The ozone layer protects us from the sun's harmful radiation.
What do white blood cells have to do with pathogens?
White blood cells are a critical part of the body's immune system and help to defend against pathogens such as bacteria, viruses, and other harmful invaders. They work by identifying and destroying these pathogens through various mechanisms, including engulfing them, producing antibodies, and coordinating immune responses.
How effective is anti-bacterial water in preventing the spread of harmful pathogens?
Anti-bacterial water can be effective in preventing the spread of harmful pathogens by killing or inhibiting the growth of bacteria. However, it may not be 100 effective against all types of pathogens. It is important to use anti-bacterial water in conjunction with other hygiene practices to reduce the risk of infection.
Why is the brain less able to permeate substances?
Because it has a blood brain barrier (BBB) which protects the brain from toxins or harmful substances.
