Question

A. Choose the correct answer:

1. Soil layers is referred to as ______ (bedrock , horizons)

2. Normal range of breathing rate per minute in an average adult person is at rest is_______

(32 - 24, 15 -18).

3. The main circulatory fluid in man is ______(blood platelets, blood).

4. In plants ,water is transported through _______(xylem , phloem).

B. Fill in the blanks:

1. Rotting dead matter in the soil is called_______.

2. Muscle cramps due to accumulation of________.

3. ________ discovered the circulation of blood.

4. A large muscular sheet called _______ forms the floor of the chest cavity​

Answer 1

Answer:

A. Choose the correct answer.

1. horizon.

2. 15.

3. blood.

4. xylem

B. Fill in the blanks.

1. humas.

2. lactic acid.

3. William Harvey.

4.diaphragm.

Explanation:

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