I WILL GIVE BRAINLIEST IF ANSWER IS CORRECT! Hurry I cant leave this exam!
Which of the following most likely happens when we exercise?
The heart rate slows down because the blood vessels have less blood to circulate.
The heart rate slows down because the blood vessels have more blood to circulate.
The heart pumps faster so that the blood vessels can carry more oxygen to some cells.
The heart pumps faster so that the blood vessels can carry more carbon dioxide to some cells.
Answers: 1
Biology, 21.06.2019 22:20, molinaemily009
Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria
Answers: 1
Biology, 22.06.2019 06:20, daniii000
Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.
Answers: 1
I WILL GIVE BRAINLIEST IF ANSWER IS CORRECT! Hurry I cant leave this exam!
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