Please help! How does the circulatory system work at the tissue level? A) The heart pumps the blood.

B (Blood cells carry nutrients.

C) Nutrients are delivered throughout the body.

D) Cardiac muscle contracts.

B

Explanation:

The circulatory system is a network consisting of blood, blood vessels, and the heart. This network supplies tissues in the body with oxygen and other nutrients, transports hormones, and removes unnecessary waste products.

The circulatory system work at tissue level by following points

=nutrients are delivered throughout the body

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.