Question

please solve this problem of biology​

Answer 1

Answer:

1. blood and lymph
2. 4 chambers ,auricles ,ventricles
3. lymphocytes
4. pacemaker

tricuspid valve present between right atrium and right ventricle

for blood circulation route option d is only right

Answer 2

Answer:

1. blood and lymph.

2. four, 2atria or auricles, 2 ventricles.

3.lymphocytes.

4. pacemaker.

hope it helps u...

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