The hiker followed the north trail a distance of two kilometers in thirty minutes.
D) The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction.
Answer:
to contract a muscle, myosin and actin filaments shorten, requiring ATP binding and hydrolysis
Explanation:
hopes it help
Answer:
1. F
2. T
3. IDK
4. F
5. IDK
6. T
Explanation:
Sorry if any of them are wrong!
