This topic contains a solution. Click here to go to the answer

Author Question: The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is: ... (Read 40 times)

notis

  • Hero Member
  • *****
  • Posts: 596
The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is:
 
  a. iron.
  b. calcium.
  c. sodium.
  d. potassium.

Question 2

Amenorrhea in female athletes is associated with:
 
  a. poor absorption of iron.
  b. loss of lean body mass.
  c. low bone density.
  d. ketoacidosis.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dyrone

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

B

Answer to Question 2

C



notis

  • Hero Member
  • *****
  • Posts: 596
Both answers were spot on, thank you once again



dyrone

  • Sr. Member
  • ****
  • Posts: 322

 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

For a complete list of videos, visit our video library