Answer: True
Explanation:
The cardiovascular system includes the heart and blood vessels. The function of the heart is to pump out oxygenated blood via blood vessels to all the parts of the body. The blood vessels arteries, veins and capillaries contribute to the transfer and distribution of the blood.
Answer: to take a look inside and around the ears
Explanation: the dog may have either allergies, bacterial infection, or skin parasites so it is important to check for hot spots that may indicate a bacterial infection
The herb seems to have a calming effect on the central nervous system.
