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Priya123
@priya123
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Joined: May 7, 2021
Last seen: Jul 27, 2023
Topics: 2064 / Replies: 139
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1 year ago
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Answer to: In mammals, lymphatic vessels possess: (A) a series of valves that facilitate flow in one direction.

Correct Option: (A) a series of valves that facilitate flow in one direction.

1 year ago
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Answer to: Which statement is false? (A) Capillaries in muscle are usually empty of blood. (B) The mammalian heart will continue to beat when its nerve supply is cut.

Correct Option: (C) In vertebrates, veins can be distinguished from arteries because veins carry oxygenated blood.

1 year ago
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Answer to: Which statement about the mammalian circulatory system is correct?

Correct Option: (C) The total surface area of the capillaries is considerably greater than that of all of the arteries, arterioles, venules and veins ...

1 year ago
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Answer to: In the given diagram of ECG, T-wave represents (A) Electrical excitation of atria and systole of ventricle.

Correct Option: (C) Return of the ventricles from excited to normal state and end of ventricular systole.

1 year ago
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Answer to: Mark the wrong match? (A) B and T Lymphocyte – Responsible for immune response of the body.

Correct Option: (C) Basophil – Secrete histamine and involved in anti inflammatory reactions.

1 year ago
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