There’s no basic main part but on the questions to do all of them are not able bc of not knowing what it’s on. -4. 520
It is A. i hope this is the right answer .
bone marrow <span>contains hematopoietic stem cells, which give rise to the three classes of blood cells that are found in the circulation: white blood cells (leukocytes), red blood cells (erythrocytes), and platelets (thrombocytes)</span>
Answer:
25 mg / kg
Explanation:
The average weight of an adult is about 60 kg so if an adult has taken sodium chloride about 1,500 mg per day so each kg of the body needs only 25 mg of sodium chloride for fulfilling needs of the body and proper function of the body. So we can say that 60 kg body needs about 1500 mg of sodium chloride so for one kg of body weight, only 25 mg of sodium chloride is required.