What component of the circulatory system is at the tissue level? a. blood b. white blood cell c. heart d. hemoglobin

Biology

2 answers:

nata0808 [166]3 years ago

6 0

Answer;

A. Blood

Explanation;

The main organs of the Circulatory system are the heart, the brain, the lungs. There are other key things like arteries, veins, and capillaries but they are not organs.

The major tissues in the circulatory system are the epithelial, muscle, nervous, and connective tissues.

Blood is the main connective tissue in the circulatory system, but it's a liquid connective tissue. Blood tissue is in the same family as bone and cartilage, but instead it has a liquid medium that holds it together.

slamgirl [31]3 years ago

6 0

I belive it is a, because blood is a tissue.

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Andreyy89

Answer:

C. mRNA

Explanation:

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