Answer:
White blood cells.
Explanation:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
We would need to see the diagram in order to answer the question correctly. without the diagram we can't help
Answer:
A.
Explanation:
An allele is a variant form of a given gene.
we can get them from eating foods that contain protein bio molecules
