Answer:
Blood with low oxygen content can be found in the pulmonary arteries whereas blood in high oxygen levels can be found in the pulmonary veins.
The blood enter the heart from the left side through the pulmonary veins which consist of high oxygen content. After circulating throughout the body, the blood carried from the right side of heart to the lungs through pulmonary arteries with low oxygen content, due to the circulation.
Yes but only like certain exercises can prevent it so it's true
It pumps the blood through blood vessels
Answer:
The scientist was Ivan Pavlov
Explanation:
He was a Russian scientist, who performed multiple research on dogs. He is best know for his experiments in classical conditioning.
Joints in both the skull and in the elbow move. however if you break a join in your elbow you will most likely survinve. if you break one in your skull you have a higher chance of death then you would if it had been your elbow.
