Posted by Princess Anna on Thursday, May 22, 2014 at 12:06pm.
14. The layer of skin that contains nerves and blood vessels is the _________
15. ________ digestion occurs in the small intestine through the action of enzymes.
16. Urea, excess water, and other waste materials are eliminated in a water fluid
17. ______________ can cause infections by injecting their DNA or RNA into hosts.
18. The human immune system produces ______________ in response to a vaccine, which later can
bind to and destroy a pathogen if it invades.
19. The function of the magnified structure shown in the image below is ______________ exchange.
diagram of lungs with an enlargement of alveoli with attached arteries and veins
20. ______________ are structures that link bone to bone at a joint.
21. In the heart, blood flows from the right atrium to the right ventricle,
where it is pumped to the ______________.
22. The joints highlighted in the image below are ______________ joints.
image of transparent body with the spine highlighted
- Biology - MathGuru, Thursday, May 22, 2014 at 5:54pm
Here are a few of your questions; maybe you can determine the rest.
I'll let you take it from here.
- Biology - justin, Tuesday, January 20, 2015 at 12:48pm
can you please help me with number 19. the question is The function of the magnified structure shown in the image below is ___________ exchange.
- Biology - Diggle, Wednesday, April 8, 2015 at 4:35pm
Number 19 is Gas
Answer this Question
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