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3 votes
25 POINTS!!!!

Which of the following affects blood volume?

A. The speed at which the blood flows
B. The strength at which the heart contracts
C. The amount of water present in the blood
D. The rate at which the heart contracts

2 Answers

6 votes

Answer:

A

Step-by-step explanation:

answered
User L Becker
by
8.5k points
2 votes

Answer:

The answer is D

Step-by-step explanation:

My mom is a doctor

answered
User Mehdi Faraji
by
8.7k points

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