Answer:
Gap junctions within the intercalated disks
Explanation: Gap junctions within the intercalated disks allow impulses to be propagated from one cardiac muscle cell to another. It allows sodium, potassium, and calcium ions to flow between adjacent cells, propagating the action potential, and ensuring coordinated contractions.
The two substances are rock (molten and solid) and metal (solid + liquid).
Layers of the earth from the outside in:
1. crust. hard rock/dirt/ground. Shell
2. mantle. melted rock and stuff. Egg white
3. core. Outer core - liquid. Inner core- solid. Nickle and iron. Yolk
Answer:
fire extingreihusi unscheme
Answer:
1. 4 generations
2. the father/male parent carries the recessive allele (individual 2 of the 1st generation)
3. individual 1 has a hom.ozygous spouse.
4. Generation 3
Explanation:
sorry if any of these are wrong
(also i had to put a period there so it wouldnt identify hom.ozygous as a slur)
