Megakaryocytes

Q30: In a _ circulatory system,blood is pumped

Q31: Angina pectoris is:<br>A)the muscle tissue that lines

Q32: The sinoatrial node controls the heart beat.

Q33: The heart valve guarding the entrance to

Q34: How does the structure of lymphatic capillaries

Q36: The veins leading from the lungs to

Q37: Which of these is not a characteristic

Q38: Once inside the lymphatic system,tissue fluid is

Q39: Which is incorrect about the fish heart?<br>A)Blood

Q40: _ is caused by an interference with