How are the functions of the brain and heart different? (2 points) a
The brain cleans the blood before it is distributed to all parts of the body, while the heart passes oxygen into the blood.

b
The brain pumps blood to all parts of the body, while the heart filters the blood before it is distributed to all parts of the body.

c
The brain reduces the sugar level in the blood, while the heart helps break down the food into smaller pieces.

d
The brain sends and receives messages through the spinal cord and the nerves, while the heart pumps blood to all parts of the body.