Answer:
TRUE
Explanation:
In the cardiovascular system, the blood flows from <u>high pressure to low pressure.</u>
In the ventricular ejection phase, when the muscles of the ventricles contract, the<u> pressure gradient in ventricles rises</u>. This increases in the <u>pressure in the ventricles exceeds the pressure in the pulmonary artery </u>and aorta, thus opening pulmonary and aortic valves and ejecting the blood from the heart.
Answer:
Antibodies patrol the space within the cells, lock to the virus and connect them together for the white blood cells to destroy. ... Protein receptors on the cell membranes monitor what goes in and out.
Explanation:
Your welcome!
Brainlist Please! :)
Answer:
Hippocrates is considered to be the father of modern medicine because in his books, which are more than 70. He described in a scientific manner, many diseases and their treatment after detailed observation. He lived about 2400 years ago.
Explanation:
They are able to use imperatives and interrogatives.
They frequently use the auxiliary verb "have" in statements.
