Answer:
I'd sat b
Explanation:
is this a question or a test or something
Answer:
A and B are both correct.
Explanation:
Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.
2) The adult human body is made up of 206 bones
3) Theirs bones of the skull, spine, ribs, arms, and legs, these are located all through your body.
4) Bones are hard tough organs that forms part of the vertebral skeleton, meanwhile cartilage is a soft flexible tissue that is used to keep your bones from rubbing against one another.
<span>Flexor and extensor muscles work antagonistically to operate the joint.
Flexor and extensor muscle work in the different direction. This will be called antagonist muscle because their force will cancel each other. It is important to have antagonist muscle because muscle could only shorten, thus could only move the body in one direction. Having two antagonist muscle will allow 2 moving direction</span>
Organisms<span> regulate complex systems through chemical interactions through feedback mechanisms. The feedback mechanism can respond to perturbation either as positive feedback (the same direction) or a negative feedback (opposite direction). The contractions in childbirth is an example of positive feedback. The hormone oxytocin is released in the body when contraction begins to further aid the contractions. An example of negative feedback is the regulation of blood glucose level. The continuous rise of blood glucose level may lead to diabetes.</span>
