Sciences
7 QUESTIONS
Q1. Each pulse that you can feel is caused by one beat of your ……….
A) Lungs
B) Heart
C) Liver
Q2. The heart and blood vessels together make up the ………. system.
A) Digestive
B) Circulatory
C) Respiratory
Q3. When blood contains a lot of oxygen, it is bright red. We say that the blood is.……...
A) Poor
B) Oxygenated
C) Carbonated