Question

1. Haemoglobin is present in the WBC's.
2. Pulmonary artery carries oxygenated blood.
3. The device used to hear heart beat is a stethoscope.
4. Humans excrete uric acid through skin.
5. Heart beat decreases after physical activity.
6. Heart beat and the pulse rate of a person have the same value. (say true or false)​

Answer 1

Answer:

1.False .It is present in RBCs

2.False .Pulmonary vein carry oxygenated blood

3.True

4.False

5.False .Heart beat increases after physical activity

6.True

Answer 2

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1. Haemoglobin is present in the WBC's. ⇢ True

2. Pulmonary artery carries oxygenated blood. ⇢ False

3. The device used to hear heart beat is a stethoscope. ⇢ True

4. Humans excrete uric acid through skin. ⇢ False

5. Heart beat decreases after physical activity. ⇢ False

6. Heart beat and the pulse rate of a person have the same value. ⇢ True