systems working together

Question 1

circulatory and respiratory

blood picks up oxygen from the ______ (respiratory system) and delivers it to the _____ (circulatory system)

Answer 1

lungs / heart

Question 2

circulatory and respiratory

heart pumps the __________ to body cells

Answer 2

oxygenated blood

Question 3

circulatory and respiratory

blood picks up _________ from the body cells and delivers it to the ______ (circulatory system)

Answer 3

carbon dioxide / heart

Question 4

circulatory and respiratory

heart pumps the _________ to the ______ (respiratory system)

Answer 4

deoxygenated blood / lungs

Question 5

circulatory and respiratory

_______ in lungs (respiratory system) are surrounded by _________ (circulatory system)

Answer 5

alveoli / capillaries

Question 6

circulatory and respiratory

oxygen passes through _______ and into the _____ in capillaries

Answer 6

alveoli / blood

Question 7

circulatory and respiratory

_________ in the blood passes from the ________ into the alveoli in lungs

Answer 7

carbon dioxide / capillaries

Question 8

circulatory and digestive

blood (circulatory system) picks up _______ from the small intestine (digestive system) and delivers it to ________

Answer 8

nutrients / body cells

Question 9

circulatory and digestive

on the inside wall of the small intestine, there are ____

Answer 9

villi

Question 10

circulatory and digestive

inside villi, there are many ________

Answer 10

capillaries

Question 11

circulatory and digestive

villi and capillaries have _______________

Answer 11

very thin cell membranes

Question 12

circulatory and digestive

nutrients pass through the _____ (digestive system) into the ________ (circulatory system)

Answer 12

villi / capillaries