What is the transport function of blood?
1) Respiratory – blood carries gases – oxygen and carbon dioxide.
2) Trophic – blood carries nutrients from the digestive system to all organs of the body.
3) Excretory – blood carries harmful substances from all organs of the body to the organs of excretion.
4) Regulatory – the blood carries hormones.
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.