Question

which statement is true about the human circulatory system?

A.it makes blood cells.
B. it transports oxygen and nutrients.
C. it breaks down food and releases nutrients.
D. it is the first line of defense against bacteria.​

Answer 1

Answer:

option b

is the right answerrr

Answer 2

The correct statement is option (B) It transports oxygen and nutrients.

EXPLANATION

• The circulatory system is a system of organs that include the heart and blood vessels. The vessels carry blood from heart to all the parts of the body.
• The circulatory system consists of the cardiovascular system and the pulmonary system.
• Blood that is circulated around the body carrying oxygen and nutrients to the tissues and cells.
• It also helps in removing waste products such as Carbon dioxide from the tissues.
• The nutrients involves proteins and minerals.
• Other functions of circulatory system includes, transportation of hormones to the target organ, regulation of body temperature.
• The digestive system is reponsible for breaking down food and releasing nutrients.
• Immunity system is the first line of defense against bacteria.
• Blood cells are made in bone marrow.

Hence, The correct answer is option B.

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