Homework biology help? Need urgent!

Posted on 2017-03-23 05:27:00 in Biology by DONAL

Question 6 (1 point) 
Actions that are reactions to a stimulus are called _____________________. 

Question 6 options: 

Actins 
Action Potentials 
Feedback Mechanisms 

Question 7 (1 point) 
__________________ are muscles that contract and relax automatically, without conscious control by the organism. 

Question 7 options: 

Voluntary Muscles 

Involuntary Muscles 

Skeletal Muscles 

Question 8 (1 point) 
A specialized muscle protein, called ______________, makes up the thick muscle filaments. 

Question 8 options: 

Myosin

Actin 

Myofibril 

Question 9 (1 point) 
The point where the muscle attaches to the bone to be pulled is called the _________________. 

Question 9 options: 

Origin 

Insertion 

Sarcomere 


Question 10 (1 point) 
The Endocrine System produces _________________, which are chemical messengers that carry a specific message to certain body cells. 

Question 10 options: 

Hormones 

Dendrites 

Feedback Mechanisms

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