Question

1. blood is carried away from the heart by ______.

〇 arteries a
veins
chronicles
lymph nodes

1. what organ is part of the respiratory system?

〇 lungs a
skull
brain
heart

1. what is the name for the blood vessels that carry blood to the heart?

〇 arteries a
veins
plasma
capillaries

1. what are makes up the cardiovascular system?

〇 atherosclerosis, hypertension, heart attacks, and heart a failure
pulmonary, systemic, lymphatic, and respiratory
oxygen, carbon, and hydrogen
heart, blood vessels, and blood

1. what is cholesterol?

Explanation:

Question 1

Arteries carry blood away from the heart, veins carry blood to the heart, chronicles are not related to blood vessels, and lymph nodes are part of the lymphatic system. So the correct option is A.

The respiratory system includes organs like lungs for gas exchange. The skull is part of the skeletal system, the brain is part of the nervous system, and the heart is part of the cardiovascular system. So the correct option is A.

Veins are the blood vessels that carry blood to the heart. Arteries carry blood away, plasma is a component of blood, and capillaries are where exchange occurs. So the correct option is B.

Answer:

A. arteries

Question 2