1、which substance in body contains iron?
A: Hemoglobin
B: Opsin
C: Immunoglobin
D: PTH
A: Hemoglobin
B: Opsin
C: Immunoglobin
D: PTH
举一反三
- which substance in body contains iron?
- Which stage of iron deficiency can reduce hemoglobin?() A: the first stage B: the second stage C: the third stage D: all stage
- The passage is mainly about ______. A: the importance of diet B: the need of iron C: adolescents' eating habits D: blood hemoglobin
- If iron contains more than ____% C, the alloy is referred to a cast iron（） A: 2.11 B: 0.77 C: 4.3 D: 0
- If there is insufficient insulin circulating in your body, what kind of substance does your body rely on to provide energy A: Glucose B: Protein and fat C: Protein fibe D: Ketone body