Jawapan

2016-03-13T15:14:58+08:00
Blood important to know because blood give us oxygen
2016-03-13T15:26:17+08:00
In addition to the cells and clotting factors, blood contains other important substances, such as nutrients from the food that has been processed by the digestive system. Blood also carries hormones released by the endocrine glands and carries them to the body parts that need them.