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maxonik [38]
3 years ago
7

Which are electrical "nodes" of the heart? Check

Biology
1 answer:
mestny [16]3 years ago
5 0

Answer:

sinoatrial node and atrioventricular node

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The scientific method is
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A way scientist answer questions and solve problems
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Lipid-soluble hormones readily diffuse through capillary walls, whereas water-soluble hormones, such as proteins, remain in the
solong [7]

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b. pass through pores in the capillary endothelium

Explanation:

The fenestrated capillaries and sinusoids have pores in their endothelium. These pores or the intracellular clefts vary in size between the fenestrated capillaries and sinusoids. Sinusoids have larger intracellular clefts. The pores serve as a passage for the movement of water-soluble substances, proteins and other substances that cannot cross the hydrophobic interior of the cell membranes.

Water-soluble hormones also cannot pass through the capillary walls. Therefore, these hormones pass through the pore or the fenestrations present in the endothelium of capillaries.

6 0
2 years ago
How does nitrogen leave a food chain?
vitfil [10]

Answer: c

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viktelen [127]

Answer:

1.3 million Earths

Explanation:

8 0
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Match each muscle of the scapula with the correct label.
Gennadij [26K]

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yes. Your correct order is 1 Supraspinatus, 2 Subscapularis, 3 Infraspinatus and 4 Teres Major.

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