The uterus relaxes is muscles after being stretched open. When the baby is about to be pushed out, the uterus contracts many times until the baby is out of the female's body.
Answer:
Question 1 :
Ans - C
Explain - Binomial system is made up of Genus (Capital letter) and species (small letter).
# order needs to be correct, <em>G</em><em>e</em><em>n</em><em>u</em><em>s</em><em> </em>
species
Question 2 :
Ans - B
Explain - Meat contain protein where enzymes break down protein into amino acids.
Question 3 :
Ans - B
Explain - Enzyme is a biological catalyst where they speed up chemical reaction.
Answer:
The calcium concentration must be greater OUTSIDE
the cell than INSIDE the cell.
Explanation:
Calcium has a vital role in the body, it is necessary for:
- exocytosis
- muscle contraction
- normal excitability of neurons
- blood coagulation
- building and maintaining bones and teeth
- enzymatic activity
