Question

1. What is the relationship between weight of heart and weight of the body?

2. What is the relationship between weight of heart and its number of heart beats?

3. Why rate of heart beat is more in animal with less weight?

4. From the above table which animal has the highest heartbeat rate per minute?

5. What do we conclude from the above data?​

Answer 1

Answer:

1. By the term "ratio of heart-weight to body-weight "--a term which will be used frequently in this paper--is meant the number of grams of heart tissue for every kilogram of body-weight. For example, a ratio of 4.5 would mean four and one half grams of heart tissue per kilo of body-weight.

Answer 2

Explanation:

3.

The time taken for circulation of blood from heart to body parts of to heart beat is less. Therefore the rate of heart beat is more in animals with less weight.