Indicate at least four functions of the internal environment of the human body.

1) transport function of blood and tissue fluid – transport of O2, CO2, nutrients and their delivery to cells; 2) protective, immune – provided by blood cells and lymph (phagocytes and lymphocytes); 3) thermoregulatory – the redistribution of heat in the body; 4) homeostatic – maintenance of water-salt balance by buffer systems by blood plasma; 5) humoral – the delivery of hormones released into the blood to target organs.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.