Question

3.In Boreal forest, the flora are:
(a) Pine Larch (b) Palm Bamboo (c) Oak Fig (d) None of the above.

4. The only artery carrying deoxygenated blood:
(a) Coronary Artery () Pulmonary Artery (c) Aorta (d) Both (b) and (c)

5. The protein molecule present in blood plasma :
(2) Antibodies (b) Antigens (c) Platelets (d) Immunoglobulins.

6. When the heart relates the pressure of the blood is known as:
(a) Systolic pressue (b) Thermal pressure (c) Diastolic Pressure (d) Hypertension.

7 In human the chemical coordination is brought about by
(a) Enzymes (b) Hormones (c) Tissues

pls answer fast I will mark as brainlist​

Answer 1

I don't know Number 3 so i can't answer.

4. (B) Pulmonary arteries the only artery in the choices that deliver deoxygenated blood.

5. (D) Immunoglobulins are proteins found in blood plasma.

6. (C) Diastolic pressure. I think you meant "relaxes" not "relates"

7. I think the answer is (A) Enzymes. Hormones can also be an answer i think.

Answer 2

3) A
4)B
5) answer is both A- antibodies and D- immunoglobulins: antibodies are immunoglobulins.
6) C- Diastolic pressure
7) B- Hormones