When the coronary arteries become narrowed and blood flow to the heart is reduced, a person may experience cramping chest pain upon exertion, prior to a heart attack or death of cardiac muscle tissue. This condition is called ________.
Fill in the blank(s) with the appropriate word(s).
Answer: angina
You might also like to view...
What is antibiotic resistance?
A. Bacteria that have become resistant to specific antibiotics B. Human cells have started to be harmed by specific antibiotics C. Bacteria have become more susceptible to specific antibiotics D. Human cells that have become resistant to specific antibiotics
Plants that have systemic acquired resistance (SAR) to a specific virus will be able to resist future infections whether or not the plant experiences necrosis in the first infection
A. true B. false
A vasectomy is a surgical procedure in which the vas deferens are severed, and then sealed with a laser. How would this cause sterility?
A. Sperm cannot be produced by meiosis. B. Sperm cannot be produced by mitosis. C. Sperm cannot move to the urethra. D. A man cannot get an erection. E. The testes stop producing testosterone.
In plants, a _____ is formed when two gametes fuse together.
a) hermaphrodite b) zygote c) spore d) cnidocyte