Which of the following are physical characteristics of blood?

1. It is more viscous than water

2. Its temperature is about 38˚C (100.4˚F)

3. Ihe pH is slightly alkaline

4. It is about 8% of one's total body weight

5. Its color is always a bright red.

Answer: Blood is slightly more viscous then water, pH is slightly alkaline it is about 8% of ones body total body weight the rest of the options are slightly wrong.

Explanation: Blood is red in colour, a dark red when it is deoxygnated and bright red when oxygenated. Its normal pH is 7,4 making it slightly alkaline and it accounts for 8% of one's total body weight with 92% being water. Its temperatures ranges around our normal body temperature which is 37°C.