When heart rate increases, the time spent in A) systole ...

[nmorano1]

When heart rate increases, the time spent in
 A) systole increases.
  B) diastole increases.
  C) all phases decreases but most of the decrease is during systole.
  D) all phases decreases but most of the decrease is during diastole.
  E) isovolumetric contraction increases.

Question 2

Semen contains all of the following except
 A) sperm.
  B) seminal fluid.
  C) prostaglandins.
  D) spermatogonia.
  E) fibrinogen.

[dreamfighter72]

Answer to Question 1

D

Answer to Question 2

D

[nmorano1]

Great answer, keep it coming

[triiciiaa]

Thanks for the timely response, appreciate it